spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 /*#define SWM_DEBUG*/
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185 #define SWM_D_INIT              0x8000
 186
 187 u_int32_t               swm_debug = 0
 188                             | SWM_D_MISC
 189                             | SWM_D_EVENT
 190                             | SWM_D_WS
 191                             | SWM_D_FOCUS
 192                             | SWM_D_MOVE
 193                             | SWM_D_STACK
 194                             | SWM_D_MOUSE
 195                             | SWM_D_PROP
 196                             | SWM_D_CLASS
 197                             | SWM_D_KEY
 198                             | SWM_D_QUIRK
 199                             | SWM_D_SPAWN
 200                             | SWM_D_EVENTQ
 201                             | SWM_D_CONF
 202                             | SWM_D_BAR
 203                             | SWM_D_INIT
 204                             ;
 205 #else
 206 #define DPRINTF(x...)
 207 #define DNPRINTF(n,x...)
 208 #endif
 209
 210 /* convert 8-bit to 16-bit */
 211 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 212
 213 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 214         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 215         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 216         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 217         xrc.alpha = 0xffff;
 218
 219 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 220 #define MODKEY                  XCB_MOD_MASK_1
 221 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 222 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 223     XCB_EVENT_MASK_BUTTON_RELEASE)
 224 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 225 #define SWM_PROPLEN             (16)
 226 #define SWM_FUNCNAME_LEN        (32)
 227 #define SWM_KEYS_LEN            (255)
 228 #define SWM_QUIRK_LEN           (64)
 229 #define X(r)                    (r)->g.x
 230 #define Y(r)                    (r)->g.y
 231 #define WIDTH(r)                (r)->g.w
 232 #define HEIGHT(r)               (r)->g.h
 233 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 234 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 235 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 236 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 237 #define SH_MIN_W(w)             (w)->sh.min_width
 238 #define SH_MIN_H(w)             (w)->sh.min_height
 239 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 240 #define SH_MAX_W(w)             (w)->sh.max_width
 241 #define SH_MAX_H(w)             (w)->sh.max_height
 242 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 243 #define SH_INC_W(w)             (w)->sh.width_inc
 244 #define SH_INC_H(w)             (w)->sh.height_inc
 245 #define SWM_MAX_FONT_STEPS      (3)
 246 #define WINID(w)                ((w) ? (w)->id : 0)
 247 #define YESNO(x)                ((x) ? "yes" : "no")
 248
 249 #define SWM_FOCUS_DEFAULT       (0)
 250 #define SWM_FOCUS_FOLLOW        (1)
 251 #define SWM_FOCUS_MANUAL        (2)
 252
 253 #define SWM_CK_NONE             0
 254 #define SWM_CK_ALL              0xf
 255 #define SWM_CK_FOCUS            0x1
 256 #define SWM_CK_POINTER          0x2
 257 #define SWM_CK_FALLBACK         0x4
 258 #define SWM_CK_REGION           0x8
 259
 260 #define SWM_CONF_DEFAULT        (0)
 261 #define SWM_CONF_KEYMAPPING     (1)
 262
 263 #ifndef SWM_LIB
 264 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 265 #endif
 266
 267 char                    **start_argv;
 268 xcb_atom_t              a_state;
 269 xcb_atom_t              a_prot;
 270 xcb_atom_t              a_delete;
 271 xcb_atom_t              a_takefocus;
 272 xcb_atom_t              a_wmname;
 273 xcb_atom_t              a_netwmname;
 274 xcb_atom_t              a_utf8_string;
 275 xcb_atom_t              a_string;
 276 xcb_atom_t              a_swm_iconic;
 277 xcb_atom_t              a_swm_ws;
 278 volatile sig_atomic_t   running = 1;
 279 volatile sig_atomic_t   restart_wm = 0;
 280 xcb_timestamp_t         last_event_time = 0;
 281 int                     outputs = 0;
 282 int                     other_wm;
 283 int                     xrandr_support;
 284 int                     xrandr_eventbase;
 285 unsigned int            numlockmask = 0;
 286
 287 Display                 *display;
 288 xcb_connection_t        *conn;
 289 xcb_key_symbols_t       *syms;
 290
 291 int                     cycle_empty = 0;
 292 int                     cycle_visible = 0;
 293 int                     term_width = 0;
 294 int                     font_adjusted = 0;
 295 unsigned int            mod_key = MODKEY;
 296
 297 /* dmenu search */
 298 struct swm_region       *search_r;
 299 int                     select_list_pipe[2];
 300 int                     select_resp_pipe[2];
 301 pid_t                   searchpid;
 302 volatile sig_atomic_t   search_resp;
 303 int                     search_resp_action;
 304
 305 struct search_window {
 306         TAILQ_ENTRY(search_window)      entry;
 307         int                             idx;
 308         struct ws_win                   *win;
 309         xcb_gcontext_t                  gc;
 310         xcb_window_t                    indicator;
 311 };
 312 TAILQ_HEAD(search_winlist, search_window);
 313 struct search_winlist                   search_wl;
 314
 315 /* search actions */
 316 enum {
 317         SWM_SEARCH_NONE,
 318         SWM_SEARCH_UNICONIFY,
 319         SWM_SEARCH_NAME_WORKSPACE,
 320         SWM_SEARCH_SEARCH_WORKSPACE,
 321         SWM_SEARCH_SEARCH_WINDOW
 322 };
 323
 324 #define SWM_STACK_TOP           (0)
 325 #define SWM_STACK_BOTTOM        (1)
 326 #define SWM_STACK_ABOVE         (2)
 327 #define SWM_STACK_BELOW         (3)
 328
 329 /* dialog windows */
 330 double                  dialog_ratio = 0.6;
 331 /* status bar */
 332 #define SWM_BAR_MAX             (256)
 333 #define SWM_BAR_JUSTIFY_LEFT    (0)
 334 #define SWM_BAR_JUSTIFY_CENTER  (1)
 335 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 336 #define SWM_BAR_OFFSET          (4)
 337 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 338                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 339                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 340                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 341                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 342
 343 #ifdef X_HAVE_UTF8_STRING
 344 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 345 #else
 346 #define DRAWSTRING(x...)        XmbDrawString(x)
 347 #endif
 348
 349 char            *bar_argv[] = { NULL, NULL };
 350 int              bar_pipe[2];
 351 char             bar_ext[SWM_BAR_MAX];
 352 char             bar_ext_buf[SWM_BAR_MAX];
 353 char             bar_vertext[SWM_BAR_MAX];
 354 int              bar_version = 0;
 355 int              bar_enabled = 1;
 356 int              bar_border_width = 1;
 357 int              bar_at_bottom = 0;
 358 int              bar_extra = 0;
 359 int              bar_verbose = 1;
 360 int              bar_height = 0;
 361 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 362 char             *bar_format = NULL;
 363 int              stack_enabled = 1;
 364 int              clock_enabled = 1;
 365 int              urgent_enabled = 0;
 366 char            *clock_format = NULL;
 367 int              title_name_enabled = 0;
 368 int              title_class_enabled = 0;
 369 int              window_name_enabled = 0;
 370 int              focus_mode = SWM_FOCUS_DEFAULT;
 371 int              focus_close = SWM_STACK_BELOW;
 372 int              focus_close_wrap = 1;
 373 int              focus_default = SWM_STACK_TOP;
 374 int              spawn_position = SWM_STACK_TOP;
 375 int              disable_border = 0;
 376 int              border_width = 1;
 377 int              region_padding = 0;
 378 int              tile_gap = 0;
 379 int              verbose_layout = 0;
 380 time_t           time_started;
 381 pid_t            bar_pid;
 382 XFontSet         bar_fs;
 383 XFontSetExtents *bar_fs_extents;
 384 XftFont         *bar_font;
 385 int              bar_font_legacy = 1;
 386 char            *bar_fonts;
 387 XftColor         bar_font_color;
 388 struct passwd   *pwd;
 389 char            *startup_exception;
 390 unsigned int    nr_exceptions = 0;
 391
 392 /* layout manager data */
 393 struct swm_geometry {
 394         int                     x;
 395         int                     y;
 396         int                     w;
 397         int                     h;
 398 };
 399
 400 struct swm_screen;
 401 struct workspace;
 402
 403 struct swm_bar {
 404         xcb_window_t            id;
 405         xcb_pixmap_t            buffer;
 406         struct swm_geometry     g;
 407 };
 408
 409 /* virtual "screens" */
 410 struct swm_region {
 411         TAILQ_ENTRY(swm_region) entry;
 412         xcb_window_t            id;
 413         struct swm_geometry     g;
 414         struct workspace        *ws;    /* current workspace on this region */
 415         struct workspace        *ws_prior; /* prior workspace on this region */
 416         struct swm_screen       *s;     /* screen idx */
 417         struct swm_bar          *bar;
 418 };
 419 TAILQ_HEAD(swm_region_list, swm_region);
 420
 421 struct ws_win {
 422         TAILQ_ENTRY(ws_win)     entry;
 423         xcb_window_t            id;
 424         xcb_window_t            transient;
 425         struct ws_win           *focus_child;   /* focus on child transient */
 426         struct swm_geometry     g;              /* current geometry */
 427         struct swm_geometry     g_float;        /* region coordinates */
 428         int                     g_floatvalid;   /* g_float geometry validity */
 429         int                     floatmaxed;     /* whether maxed by max_stack */
 430         int                     floating;
 431         int                     manual;
 432         int32_t                 mapped;
 433         int32_t                 iconic;
 434         int                     bordered;
 435         unsigned int            ewmh_flags;
 436         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 437         int                     font_steps;
 438         int                     last_inc;
 439         int                     can_delete;
 440         int                     take_focus;
 441         int                     java;
 442         unsigned long           quirks;
 443         struct workspace        *ws;    /* always valid */
 444         struct swm_screen       *s;     /* always valid, never changes */
 445         xcb_get_geometry_reply_t        *wa;
 446         xcb_size_hints_t        sh;
 447         xcb_icccm_get_wm_class_reply_t  ch;
 448         xcb_icccm_wm_hints_t    hints;
 449 };
 450 TAILQ_HEAD(ws_win_list, ws_win);
 451
 452 /* pid goo */
 453 struct pid_e {
 454         TAILQ_ENTRY(pid_e)      entry;
 455         pid_t                   pid;
 456         int                     ws;
 457 };
 458 TAILQ_HEAD(pid_list, pid_e);
 459 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 460
 461 /* layout handlers */
 462 void    stack(void);
 463 void    vertical_config(struct workspace *, int);
 464 void    vertical_stack(struct workspace *, struct swm_geometry *);
 465 void    horizontal_config(struct workspace *, int);
 466 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 467 void    max_stack(struct workspace *, struct swm_geometry *);
 468 void    plain_stacker(struct workspace *);
 469 void    fancy_stacker(struct workspace *);
 470
 471 struct layout {
 472         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 473         void            (*l_config)(struct workspace *, int);
 474         u_int32_t       flags;
 475 #define SWM_L_FOCUSPREV         (1<<0)
 476 #define SWM_L_MAPONFOCUS        (1<<1)
 477         void            (*l_string)(struct workspace *);
 478 } layouts[] =  {
 479         /* stack,               configure */
 480         { vertical_stack,       vertical_config,        0,      plain_stacker },
 481         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 482         { max_stack,            NULL,
 483           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 484         { NULL,                 NULL,                   0,      NULL  },
 485 };
 486
 487 /* position of max_stack mode in the layouts array, index into layouts! */
 488 #define SWM_V_STACK             (0)
 489 #define SWM_H_STACK             (1)
 490 #define SWM_MAX_STACK           (2)
 491
 492 #define SWM_H_SLICE             (32)
 493 #define SWM_V_SLICE             (32)
 494
 495 /* define work spaces */
 496 struct workspace {
 497         int                     idx;            /* workspace index */
 498         char                    *name;          /* workspace name */
 499         int                     always_raise;   /* raise windows on focus */
 500         int                     bar_enabled;    /* bar visibility */
 501         struct layout           *cur_layout;    /* current layout handlers */
 502         struct ws_win           *focus;         /* may be NULL */
 503         struct ws_win           *focus_prev;    /* may be NULL */
 504         struct ws_win           *focus_pending; /* may be NULL */
 505         struct swm_region       *r;             /* may be NULL */
 506         struct swm_region       *old_r;         /* may be NULL */
 507         struct ws_win_list      winlist;        /* list of windows in ws */
 508         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 509         char                    stacker[10];    /* display stacker and layout */
 510
 511         /* stacker state */
 512         struct {
 513                                 int horizontal_msize;
 514                                 int horizontal_mwin;
 515                                 int horizontal_stacks;
 516                                 int horizontal_flip;
 517                                 int vertical_msize;
 518                                 int vertical_mwin;
 519                                 int vertical_stacks;
 520                                 int vertical_flip;
 521         } l_state;
 522 };
 523
 524 enum {
 525         SWM_S_COLOR_BAR,
 526         SWM_S_COLOR_BAR_BORDER,
 527         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 528         SWM_S_COLOR_BAR_FONT,
 529         SWM_S_COLOR_FOCUS,
 530         SWM_S_COLOR_UNFOCUS,
 531         SWM_S_COLOR_MAX
 532 };
 533
 534 /* physical screen mapping */
 535 #define SWM_WS_MAX              (22)    /* hard limit */
 536 int             workspace_limit = 10;   /* soft limit */
 537
 538 struct swm_screen {
 539         int                     idx;    /* screen index */
 540         struct swm_region_list  rl;     /* list of regions on this screen */
 541         struct swm_region_list  orl;    /* list of old regions */
 542         xcb_window_t            root;
 543         struct workspace        ws[SWM_WS_MAX];
 544         struct swm_region       *r_focus;
 545
 546         /* colors */
 547         struct {
 548                 uint32_t        pixel;
 549                 char            *name;
 550         } c[SWM_S_COLOR_MAX];
 551
 552         xcb_gcontext_t          bar_gc;
 553         GC                      bar_gc_legacy;
 554 };
 555 struct swm_screen       *screens;
 556
 557 /* args to functions */
 558 union arg {
 559         int                     id;
 560 #define SWM_ARG_ID_FOCUSNEXT    (0)
 561 #define SWM_ARG_ID_FOCUSPREV    (1)
 562 #define SWM_ARG_ID_FOCUSMAIN    (2)
 563 #define SWM_ARG_ID_SWAPNEXT     (10)
 564 #define SWM_ARG_ID_SWAPPREV     (11)
 565 #define SWM_ARG_ID_SWAPMAIN     (12)
 566 #define SWM_ARG_ID_MOVELAST     (13)
 567 #define SWM_ARG_ID_MASTERSHRINK (20)
 568 #define SWM_ARG_ID_MASTERGROW   (21)
 569 #define SWM_ARG_ID_MASTERADD    (22)
 570 #define SWM_ARG_ID_MASTERDEL    (23)
 571 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 572 #define SWM_ARG_ID_STACKRESET   (30)
 573 #define SWM_ARG_ID_STACKINIT    (31)
 574 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 575 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 576 #define SWM_ARG_ID_CYCLERG_UP   (42)
 577 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 578 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 579 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 580 #define SWM_ARG_ID_STACKINC     (50)
 581 #define SWM_ARG_ID_STACKDEC     (51)
 582 #define SWM_ARG_ID_SS_ALL       (60)
 583 #define SWM_ARG_ID_SS_WINDOW    (61)
 584 #define SWM_ARG_ID_DONTCENTER   (70)
 585 #define SWM_ARG_ID_CENTER       (71)
 586 #define SWM_ARG_ID_KILLWINDOW   (80)
 587 #define SWM_ARG_ID_DELETEWINDOW (81)
 588 #define SWM_ARG_ID_WIDTHGROW    (90)
 589 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 590 #define SWM_ARG_ID_HEIGHTGROW   (92)
 591 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 592 #define SWM_ARG_ID_MOVEUP       (100)
 593 #define SWM_ARG_ID_MOVEDOWN     (101)
 594 #define SWM_ARG_ID_MOVELEFT     (102)
 595 #define SWM_ARG_ID_MOVERIGHT    (103)
 596 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 597 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 598         char                    **argv;
 599 };
 600
 601 /* quirks */
 602 struct quirk {
 603         TAILQ_ENTRY(quirk)      entry;
 604         char                    *class;
 605         char                    *name;
 606         unsigned long           quirk;
 607 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 608 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 609 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 610 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 611 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 612 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 613 };
 614 TAILQ_HEAD(quirk_list, quirk);
 615 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 616
 617 /*
 618  * Supported EWMH hints should be added to
 619  * both the enum and the ewmh array
 620  */
 621 enum {
 622         _NET_ACTIVE_WINDOW,
 623         _NET_CLOSE_WINDOW,
 624         _NET_MOVERESIZE_WINDOW,
 625         _NET_WM_ACTION_ABOVE,
 626         _NET_WM_ACTION_CLOSE,
 627         _NET_WM_ACTION_FULLSCREEN,
 628         _NET_WM_ACTION_MOVE,
 629         _NET_WM_ACTION_RESIZE,
 630         _NET_WM_ALLOWED_ACTIONS,
 631         _NET_WM_NAME,
 632         _NET_WM_STATE,
 633         _NET_WM_STATE_ABOVE,
 634         _NET_WM_STATE_FULLSCREEN,
 635         _NET_WM_STATE_HIDDEN,
 636         _NET_WM_STATE_MAXIMIZED_HORZ,
 637         _NET_WM_STATE_MAXIMIZED_VERT,
 638         _NET_WM_STATE_SKIP_PAGER,
 639         _NET_WM_STATE_SKIP_TASKBAR,
 640         _NET_WM_WINDOW_TYPE,
 641         _NET_WM_WINDOW_TYPE_DIALOG,
 642         _NET_WM_WINDOW_TYPE_DOCK,
 643         _NET_WM_WINDOW_TYPE_NORMAL,
 644         _NET_WM_WINDOW_TYPE_SPLASH,
 645         _NET_WM_WINDOW_TYPE_TOOLBAR,
 646         _NET_WM_WINDOW_TYPE_UTILITY,
 647         _SWM_WM_STATE_MANUAL,
 648         SWM_EWMH_HINT_MAX
 649 };
 650
 651 struct ewmh_hint {
 652         char            *name;
 653         xcb_atom_t      atom;
 654 } ewmh[SWM_EWMH_HINT_MAX] =     {
 655     /* must be in same order as in the enum */
 656     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 657     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 658     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 659     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 660     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 661     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 662     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 663     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 664     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 665     {"_NET_WM_NAME", XCB_ATOM_NONE},
 666     {"_NET_WM_STATE", XCB_ATOM_NONE},
 667     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 668     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 669     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 670     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 671     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 672     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 673     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 674     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 675     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 676     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 677     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 678     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 679     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 680     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 681     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 682 };
 683
 684 /* Cursors */
 685 enum {
 686         XC_FLEUR,
 687         XC_LEFT_PTR,
 688         XC_BOTTOM_LEFT_CORNER,
 689         XC_BOTTOM_RIGHT_CORNER,
 690         XC_SIZING,
 691         XC_TOP_LEFT_CORNER,
 692         XC_TOP_RIGHT_CORNER,
 693         XC_MAX
 694 };
 695
 696 struct cursors {
 697         char            *name; /* Name used by Xcursor .*/
 698         uint8_t         cf_char; /* cursorfont index. */
 699         xcb_cursor_t    cid;
 700 } cursors[XC_MAX] =     {
 701         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 702         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 703         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 704         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 705         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 706         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 707         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 708 };
 709
 710 /* spawn */
 711 struct spawn_prog {
 712         TAILQ_ENTRY(spawn_prog) entry;
 713         char                    *name;
 714         int                     argc;
 715         char                    **argv;
 716 };
 717 TAILQ_HEAD(spawn_list, spawn_prog);
 718 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 719
 720 /* user/key callable function IDs */
 721 enum keyfuncid {
 722         KF_BAR_TOGGLE,
 723         KF_BAR_TOGGLE_WS,
 724         KF_BUTTON2,
 725         KF_CYCLE_LAYOUT,
 726         KF_FLIP_LAYOUT,
 727         KF_FLOAT_TOGGLE,
 728         KF_FOCUS_MAIN,
 729         KF_FOCUS_NEXT,
 730         KF_FOCUS_PREV,
 731         KF_HEIGHT_GROW,
 732         KF_HEIGHT_SHRINK,
 733         KF_ICONIFY,
 734         KF_MASTER_SHRINK,
 735         KF_MASTER_GROW,
 736         KF_MASTER_ADD,
 737         KF_MASTER_DEL,
 738         KF_MOVE_DOWN,
 739         KF_MOVE_LEFT,
 740         KF_MOVE_RIGHT,
 741         KF_MOVE_UP,
 742         KF_MVRG_1,
 743         KF_MVRG_2,
 744         KF_MVRG_3,
 745         KF_MVRG_4,
 746         KF_MVRG_5,
 747         KF_MVRG_6,
 748         KF_MVRG_7,
 749         KF_MVRG_8,
 750         KF_MVRG_9,
 751         KF_MVWS_1,
 752         KF_MVWS_2,
 753         KF_MVWS_3,
 754         KF_MVWS_4,
 755         KF_MVWS_5,
 756         KF_MVWS_6,
 757         KF_MVWS_7,
 758         KF_MVWS_8,
 759         KF_MVWS_9,
 760         KF_MVWS_10,
 761         KF_MVWS_11,
 762         KF_MVWS_12,
 763         KF_MVWS_13,
 764         KF_MVWS_14,
 765         KF_MVWS_15,
 766         KF_MVWS_16,
 767         KF_MVWS_17,
 768         KF_MVWS_18,
 769         KF_MVWS_19,
 770         KF_MVWS_20,
 771         KF_MVWS_21,
 772         KF_MVWS_22,
 773         KF_NAME_WORKSPACE,
 774         KF_QUIT,
 775         KF_RAISE_TOGGLE,
 776         KF_RESTART,
 777         KF_RG_1,
 778         KF_RG_2,
 779         KF_RG_3,
 780         KF_RG_4,
 781         KF_RG_5,
 782         KF_RG_6,
 783         KF_RG_7,
 784         KF_RG_8,
 785         KF_RG_9,
 786         KF_RG_NEXT,
 787         KF_RG_PREV,
 788         KF_SCREEN_NEXT,
 789         KF_SCREEN_PREV,
 790         KF_SEARCH_WIN,
 791         KF_SEARCH_WORKSPACE,
 792         KF_SPAWN_CUSTOM,
 793         KF_STACK_INC,
 794         KF_STACK_DEC,
 795         KF_STACK_RESET,
 796         KF_SWAP_MAIN,
 797         KF_SWAP_NEXT,
 798         KF_SWAP_PREV,
 799         KF_UNICONIFY,
 800         KF_VERSION,
 801         KF_WIDTH_GROW,
 802         KF_WIDTH_SHRINK,
 803         KF_WIND_DEL,
 804         KF_WIND_KILL,
 805         KF_WS_1,
 806         KF_WS_2,
 807         KF_WS_3,
 808         KF_WS_4,
 809         KF_WS_5,
 810         KF_WS_6,
 811         KF_WS_7,
 812         KF_WS_8,
 813         KF_WS_9,
 814         KF_WS_10,
 815         KF_WS_11,
 816         KF_WS_12,
 817         KF_WS_13,
 818         KF_WS_14,
 819         KF_WS_15,
 820         KF_WS_16,
 821         KF_WS_17,
 822         KF_WS_18,
 823         KF_WS_19,
 824         KF_WS_20,
 825         KF_WS_21,
 826         KF_WS_22,
 827         KF_WS_NEXT,
 828         KF_WS_NEXT_ALL,
 829         KF_WS_PREV,
 830         KF_WS_PREV_ALL,
 831         KF_WS_PRIOR,
 832         KF_DUMPWINS, /* MUST BE LAST */
 833         KF_INVALID
 834 };
 835
 836 struct key {
 837         RB_ENTRY(key)           entry;
 838         unsigned int            mod;
 839         KeySym                  keysym;
 840         enum keyfuncid          funcid;
 841         char                    *spawn_name;
 842 };
 843 RB_HEAD(key_tree, key);
 844
 845 /* function prototypes */
 846 void     adjust_font(struct ws_win *);
 847 void     bar_class_name(char *, size_t, struct swm_region *);
 848 void     bar_class_title_name(char *, size_t, struct swm_region *);
 849 void     bar_cleanup(struct swm_region *);
 850 void     bar_extra_setup(void);
 851 void     bar_extra_stop(void);
 852 int      bar_extra_update(void);
 853 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 854 void     bar_fmt_expand(char *, size_t);
 855 void     bar_draw(void);
 856 void     bar_print(struct swm_region *, const char *);
 857 void     bar_print_legacy(struct swm_region *, const char *);
 858 void     bar_replace(char *, char *, struct swm_region *, size_t);
 859 void     bar_replace_pad(char *, int *, size_t);
 860 char *   bar_replace_seq(char *, char *, struct swm_region *, size_t *,
 861              size_t);
 862 void     bar_setup(struct swm_region *);
 863 void     bar_title_name(char *, size_t, struct swm_region *);
 864 void     bar_toggle(struct swm_region *, union arg *);
 865 void     bar_urgent(char *, size_t);
 866 void     bar_window_float(char *, size_t, struct swm_region *);
 867 void     bar_window_name(char *, size_t, struct swm_region *);
 868 void     bar_workspace_name(char *, size_t, struct swm_region *);
 869 void     buttonpress(xcb_button_press_event_t *);
 870 void     check_conn(void);
 871 void     clear_keys(void);
 872 void     clientmessage(xcb_client_message_event_t *);
 873 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 874 int      conf_load(const char *, int);
 875 void     configurenotify(xcb_configure_notify_event_t *);
 876 void     configurerequest(xcb_configure_request_event_t *);
 877 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 878 void     constrain_window(struct ws_win *, struct swm_region *, int);
 879 int      count_win(struct workspace *, int);
 880 void     cursors_cleanup(void);
 881 void     cursors_load(void);
 882 void     custom_region(char *);
 883 void     cyclerg(struct swm_region *, union arg *);
 884 void     cyclews(struct swm_region *, union arg *);
 885 void     cycle_layout(struct swm_region *, union arg *);
 886 void     destroynotify(xcb_destroy_notify_event_t *);
 887 void     dumpwins(struct swm_region *, union arg *);
 888 int      enable_wm(void);
 889 void     enternotify(xcb_enter_notify_event_t *);
 890 void     event_drain(uint8_t);
 891 void     event_error(xcb_generic_error_t *);
 892 void     event_handle(xcb_generic_event_t *);
 893 void     ewmh_autoquirk(struct ws_win *);
 894 void     ewmh_get_win_state(struct ws_win *);
 895 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 896 void     ewmh_update_actions(struct ws_win *);
 897 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 898 char    *expand_tilde(const char *);
 899 void     expose(xcb_expose_event_t *);
 900 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 901 struct pid_e    *find_pid(pid_t);
 902 struct ws_win   *find_unmanaged_window(xcb_window_t);
 903 struct ws_win   *find_window(xcb_window_t);
 904 void     floating_toggle(struct swm_region *, union arg *);
 905 int      floating_toggle_win(struct ws_win *);
 906 void     focus(struct swm_region *, union arg *);
 907 #ifdef SWM_DEBUG
 908 void     focusin(xcb_focus_in_event_t *);
 909 void     focusout(xcb_focus_out_event_t *);
 910 #endif
 911 void     focus_flush(void);
 912 void     focus_region(struct swm_region *);
 913 void     focusrg(struct swm_region *, union arg *);
 914 void     focus_win(struct ws_win *);
 915 void     fontset_init(void);
 916 void     free_window(struct ws_win *);
 917 xcb_atom_t get_atom_from_string(const char *);
 918 #ifdef SWM_DEBUG
 919 char    *get_atom_name(xcb_atom_t);
 920 #endif
 921 struct ws_win   *get_focus_magic(struct ws_win *);
 922 struct ws_win   *get_focus_prev(struct ws_win *);
 923 #ifdef SWM_DEBUG
 924 char    *get_notify_detail_label(uint8_t);
 925 char    *get_notify_mode_label(uint8_t);
 926 #endif
 927 struct ws_win   *get_pointer_win(xcb_window_t);
 928 struct ws_win   *get_region_focus(struct swm_region *);
 929 int      get_region_index(struct swm_region *);
 930 xcb_screen_t    *get_screen(int);
 931 #ifdef SWM_DEBUG
 932 char    *get_stack_mode_name(uint8_t);
 933 #endif
 934 int32_t  get_swm_iconic(struct ws_win *);
 935 char    *get_win_name(xcb_window_t);
 936 int      get_ws_idx(xcb_window_t);
 937 uint32_t getstate(xcb_window_t);
 938 void     grabbuttons(struct ws_win *);
 939 void     grabkeys(void);
 940 void     grab_windows(void);
 941 void     iconify(struct swm_region *, union arg *);
 942 int      isxlfd(char *);
 943 void     keypress(xcb_key_press_event_t *);
 944 int      key_cmp(struct key *, struct key *);
 945 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 946 struct key      *key_lookup(unsigned int, KeySym);
 947 void     key_remove(struct key *);
 948 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 949              const char *);
 950 void     kill_bar_extra_atexit(void);
 951 void     kill_refs(struct ws_win *);
 952 #ifdef SWM_DEBUG
 953 void     leavenotify(xcb_leave_notify_event_t *);
 954 #endif
 955 void     load_float_geom(struct ws_win *, struct swm_region *);
 956 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 957 void     map_window(struct ws_win *);
 958 void     mapnotify(xcb_map_notify_event_t *);
 959 void     mappingnotify(xcb_mapping_notify_event_t *);
 960 void     maprequest(xcb_map_request_event_t *);
 961 void     motionnotify(xcb_motion_notify_event_t *);
 962 void     move(struct ws_win *, union arg *);
 963 void     move_step(struct swm_region *, union arg *);
 964 uint32_t name_to_pixel(const char *);
 965 void     name_workspace(struct swm_region *, union arg *);
 966 void     new_region(struct swm_screen *, int, int, int, int);
 967 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 968 int      parsequirks(char *, unsigned long *);
 969 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 970 void     pressbutton(struct swm_region *, union arg *);
 971 void     priorws(struct swm_region *, union arg *);
 972 #ifdef SWM_DEBUG
 973 void     print_win_geom(xcb_window_t);
 974 #endif
 975 void     propertynotify(xcb_property_notify_event_t *);
 976 void     quirk_insert(const char *, const char *, unsigned long);
 977 void     quirk_remove(struct quirk *);
 978 void     quirk_replace(struct quirk *, const char *, const char *,
 979              unsigned long);
 980 void     quit(struct swm_region *, union arg *);
 981 void     raise_toggle(struct swm_region *, union arg *);
 982 void     resize(struct ws_win *, union arg *);
 983 void     resize_step(struct swm_region *, union arg *);
 984 void     restart(struct swm_region *, union arg *);
 985 struct swm_region       *root_to_region(xcb_window_t, int);
 986 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 987 void     scan_xrandr(int);
 988 void     search_do_resp(void);
 989 void     search_resp_name_workspace(const char *, unsigned long);
 990 void     search_resp_search_window(const char *);
 991 void     search_resp_search_workspace(const char *);
 992 void     search_resp_uniconify(const char *, unsigned long);
 993 void     search_win(struct swm_region *, union arg *);
 994 void     search_win_cleanup(void);
 995 void     search_workspace(struct swm_region *, union arg *);
 996 void     send_to_rg(struct swm_region *, union arg *);
 997 void     send_to_ws(struct swm_region *, union arg *);
 998 void     set_region(struct swm_region *);
 999 int      setautorun(char *, char *, int);
1000 int      setconfbinding(char *, char *, int);
1001 int      setconfcolor(char *, char *, int);
1002 int      setconfmodkey(char *, char *, int);
1003 int      setconfquirk(char *, char *, int);
1004 int      setconfregion(char *, char *, int);
1005 int      setconfspawn(char *, char *, int);
1006 int      setconfvalue(char *, char *, int);
1007 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1008 int      setkeymapping(char *, char *, int);
1009 int      setlayout(char *, char *, int);
1010 void     setquirk(const char *, const char *, unsigned long);
1011 void     setscreencolor(char *, int, int);
1012 void     setspawn(const char *, const char *);
1013 void     setup_ewmh(void);
1014 void     setup_globals(void);
1015 void     setup_keys(void);
1016 void     setup_quirks(void);
1017 void     setup_screens(void);
1018 void     setup_spawn(void);
1019 void     set_child_transient(struct ws_win *, xcb_window_t *);
1020 void     set_swm_iconic(struct ws_win *, int);
1021 void     set_win_state(struct ws_win *, uint16_t);
1022 void     shutdown_cleanup(void);
1023 void     sighdlr(int);
1024 void     socket_setnonblock(int);
1025 void     sort_windows(struct ws_win_list *);
1026 void     spawn(int, union arg *, int);
1027 void     spawn_custom(struct swm_region *, union arg *, const char *);
1028 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1029 void     spawn_insert(const char *, const char *);
1030 void     spawn_remove(struct spawn_prog *);
1031 void     spawn_replace(struct spawn_prog *, const char *, const char *);
1032 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1033 void     stack_config(struct swm_region *, union arg *);
1034 void     stack_floater(struct ws_win *, struct swm_region *);
1035 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1036 void     store_float_geom(struct ws_win *, struct swm_region *);
1037 char *   strdupsafe(const char *);
1038 void     swapwin(struct swm_region *, union arg *);
1039 void     switchws(struct swm_region *, union arg *);
1040 void     teardown_ewmh(void);
1041 void     unfocus_win(struct ws_win *);
1042 void     uniconify(struct swm_region *, union arg *);
1043 void     unmanage_window(struct ws_win *);
1044 void     unmapnotify(xcb_unmap_notify_event_t *);
1045 void     unmap_all(void);
1046 void     unmap_window(struct ws_win *);
1047 void     updatenumlockmask(void);
1048 void     update_modkey(unsigned int);
1049 void     update_window(struct ws_win *);
1050 int      validate_win(struct ws_win *);
1051 int      validate_ws(struct workspace *);
1052 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1053 void     version(struct swm_region *, union arg *);
1054 pid_t    window_get_pid(xcb_window_t);
1055 void     wkill(struct swm_region *, union arg *);
1056 void     workaround(void);
1057 void     xft_init(struct swm_region *);
1058 void    _add_startup_exception(const char *, va_list);
1059 void    add_startup_exception(const char *, ...);
1060
1061 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1062 RB_GENERATE(key_tree, key, entry, key_cmp);
1063 struct key_tree                 keys;
1064
1065 void
1066 cursors_load(void)
1067 {
1068         xcb_font_t      cf = XCB_NONE;
1069         int             i;
1070
1071         for (i = 0; i < LENGTH(cursors); ++i) {
1072                 /* try to load Xcursor first. */
1073                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1074                     cursors[i].name);
1075
1076                 /* fallback to cursorfont. */
1077                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1078                         if (cf == XCB_NONE) {
1079                                 cf = xcb_generate_id(conn);
1080                                 xcb_open_font(conn, cf, strlen("cursor"),
1081                                     "cursor");
1082                         }
1083
1084                         cursors[i].cid = xcb_generate_id(conn);
1085                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1086                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1087                             0xffff, 0xffff, 0xffff);
1088
1089                 }
1090         }
1091
1092         if (cf != XCB_NONE)
1093                 xcb_close_font(conn, cf);
1094 }
1095
1096 void
1097 cursors_cleanup(void)
1098 {
1099         int     i;
1100         for (i = 0; i < LENGTH(cursors); ++i)
1101                 xcb_free_cursor(conn, cursors[i].cid);
1102 }
1103
1104 char *
1105 expand_tilde(const char *s)
1106 {
1107         struct passwd           *ppwd;
1108         int                     i;
1109         long                    max;
1110         char                    *user;
1111         const char              *sc = s;
1112         char                    *result;
1113
1114         if (s == NULL)
1115                 errx(1, "expand_tilde: NULL string.");
1116
1117         if (s[0] != '~') {
1118                 result = strdup(sc);
1119                 goto out;
1120         }
1121
1122         ++s;
1123
1124         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1125                 errx(1, "expand_tilde: sysconf");
1126
1127         if ((user = calloc(1, max + 1)) == NULL)
1128                 errx(1, "expand_tilde: calloc");
1129
1130         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1131                 user[i] = s[i];
1132         user[i] = '\0';
1133         s = &s[i];
1134
1135         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1136         free(user);
1137
1138         if (ppwd == NULL)
1139                 result = strdup(sc);
1140         else
1141                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1142                         result = NULL;
1143 out:
1144         if (result == NULL)
1145                 errx(1, "expand_tilde: failed to allocate memory.");
1146
1147         return result;
1148 }
1149
1150 int
1151 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1152 {
1153         unsigned int    tmpr, tmpg, tmpb;
1154
1155         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1156                 return (-1);
1157
1158         *rr = RGB_8_TO_16(tmpr);
1159         *gg = RGB_8_TO_16(tmpg);
1160         *bb = RGB_8_TO_16(tmpb);
1161
1162         return (0);
1163 }
1164
1165 xcb_screen_t *
1166 get_screen(int screen)
1167 {
1168         const xcb_setup_t       *r;
1169         xcb_screen_iterator_t   iter;
1170
1171         if ((r = xcb_get_setup(conn)) == NULL) {
1172                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1173                 check_conn();
1174         }
1175
1176         iter = xcb_setup_roots_iterator(r);
1177         for (; iter.rem; --screen, xcb_screen_next(&iter))
1178                 if (screen == 0)
1179                         return (iter.data);
1180
1181         return (NULL);
1182 }
1183
1184 int
1185 get_region_index(struct swm_region *r)
1186 {
1187         struct swm_region       *rr;
1188         int                      ridx = 0;
1189
1190         if (r == NULL)
1191                 return -1;
1192
1193         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1194                 if (rr == r)
1195                         break;
1196                 ++ridx;
1197         }
1198
1199         if (rr == NULL)
1200                 return -1;
1201
1202         return ridx;
1203 }
1204
1205 void
1206 focus_flush(void)
1207 {
1208         if (focus_mode == SWM_FOCUS_DEFAULT)
1209                 event_drain(XCB_ENTER_NOTIFY);
1210         else
1211                 xcb_flush(conn);
1212 }
1213
1214 xcb_atom_t
1215 get_atom_from_string(const char *str)
1216 {
1217         xcb_intern_atom_cookie_t        c;
1218         xcb_intern_atom_reply_t         *r;
1219         xcb_atom_t                      atom;
1220
1221         c = xcb_intern_atom(conn, 0, strlen(str), str);
1222         r = xcb_intern_atom_reply(conn, c, NULL);
1223         if (r) {
1224                 atom = r->atom;
1225                 free(r);
1226
1227                 return (atom);
1228         }
1229
1230         return (XCB_ATOM_NONE);
1231 }
1232
1233 void
1234 set_swm_iconic(struct ws_win *win, int newv)
1235 {
1236         int32_t                         v = newv;
1237
1238         win->iconic = newv;
1239
1240         if (newv)
1241                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1242                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1243         else
1244                 xcb_delete_property(conn, win->id, a_swm_iconic);
1245 }
1246
1247 int32_t
1248 get_swm_iconic(struct ws_win *win)
1249 {
1250         int32_t                         v = 0;
1251         xcb_get_property_reply_t        *pr = NULL;
1252
1253         pr = xcb_get_property_reply(conn,
1254             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1255             XCB_ATOM_INTEGER, 0, 1), NULL);
1256         if (!pr)
1257                 goto out;
1258         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1259                 goto out;
1260         v = *((int32_t *)xcb_get_property_value(pr));
1261 out:
1262         if (pr)
1263                 free(pr);
1264         return (v);
1265 }
1266
1267 void
1268 setup_ewmh(void)
1269 {
1270         xcb_atom_t                      sup_list;
1271         int                             i, j, num_screens;
1272
1273         sup_list = get_atom_from_string("_NET_SUPPORTED");
1274
1275         for (i = 0; i < LENGTH(ewmh); i++)
1276                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1277
1278         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1279         for (i = 0; i < num_screens; i++) {
1280                 /* Support check window will be created by workaround(). */
1281
1282                 /* Report supported atoms */
1283                 xcb_delete_property(conn, screens[i].root, sup_list);
1284                 for (j = 0; j < LENGTH(ewmh); j++)
1285                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1286                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1287                             &ewmh[j].atom);
1288         }
1289 }
1290
1291 void
1292 teardown_ewmh(void)
1293 {
1294         int                             i, num_screens;
1295         xcb_atom_t                      sup_check, sup_list;
1296         xcb_window_t                    id;
1297         xcb_get_property_cookie_t       pc;
1298         xcb_get_property_reply_t        *pr;
1299
1300         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1301         sup_list = get_atom_from_string("_NET_SUPPORTED");
1302         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1303
1304         for (i = 0; i < num_screens; i++) {
1305                 /* Get the support check window and destroy it */
1306                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1307                     XCB_ATOM_WINDOW, 0, 1);
1308                 pr = xcb_get_property_reply(conn, pc, NULL);
1309                 if (!pr)
1310                         continue;
1311                 if (pr->format == sup_check) {
1312                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1313
1314                         xcb_destroy_window(conn, id);
1315                         xcb_delete_property(conn, screens[i].root, sup_check);
1316                         xcb_delete_property(conn, screens[i].root, sup_list);
1317                 }
1318                 free(pr);
1319         }
1320 }
1321
1322 void
1323 ewmh_autoquirk(struct ws_win *win)
1324 {
1325         uint32_t                i, n;
1326         xcb_atom_t              *type;
1327         xcb_get_property_cookie_t       c;
1328         xcb_get_property_reply_t        *r;
1329
1330         c = xcb_get_property(conn, 0, win->id,
1331             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1332         r = xcb_get_property_reply(conn, c, NULL);
1333         if (!r)
1334                 return;
1335
1336         n = xcb_get_property_value_length(r);
1337         type = xcb_get_property_value(r);
1338
1339         for (i = 0; i < n; i++) {
1340                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1341                         break;
1342                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1343                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1344                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1345                         win->floating = 1;
1346                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1347                         break;
1348                 }
1349                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1350                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1351                         win->floating = 1;
1352                         win->quirks = SWM_Q_FLOAT;
1353                         break;
1354                 }
1355         }
1356         free(r);
1357 }
1358
1359 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1360 #define EWMH_F_FULLSCREEN               (1<<0)
1361 #define EWMH_F_ABOVE                    (1<<1)
1362 #define EWMH_F_HIDDEN                   (1<<2)
1363 #define EWMH_F_SKIP_PAGER               (1<<3)
1364 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1365 #define SWM_F_MANUAL                    (1<<5)
1366
1367 int
1368 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1369 {
1370         if (!win->ws->r)
1371                 return (0);
1372
1373         if (!win->floating)
1374                 return (0);
1375
1376         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1377             "fullscreen %s\n", win->id, YESNO(fs));
1378
1379         if (fs) {
1380                 if (!win->g_floatvalid)
1381                         store_float_geom(win, win->ws->r);
1382
1383                 win->g = win->ws->r->g;
1384                 win->bordered = 0;
1385         } else {
1386                 load_float_geom(win, win->ws->r);
1387         }
1388
1389         return (1);
1390 }
1391
1392 void
1393 ewmh_update_actions(struct ws_win *win)
1394 {
1395         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1396         int                     n = 0;
1397
1398         if (win == NULL)
1399                 return;
1400
1401         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1402
1403         if (win->floating) {
1404                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1405                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1406                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1407         }
1408
1409         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1410             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1411 }
1412
1413 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1414 #define _NET_WM_STATE_ADD       1    /* add/set property */
1415 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1416
1417 void
1418 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1419 {
1420         unsigned int            mask = 0;
1421         unsigned int            changed = 0;
1422         unsigned int            orig_flags;
1423
1424         if (win == NULL)
1425                 return;
1426
1427         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1428             "action: %ld\n", win->id, (unsigned long)state, action);
1429
1430         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1431                 mask = EWMH_F_FULLSCREEN;
1432         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1433                 mask = EWMH_F_ABOVE;
1434         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1435                 mask = SWM_F_MANUAL;
1436         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1437                 mask = EWMH_F_SKIP_PAGER;
1438         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1439                 mask = EWMH_F_SKIP_TASKBAR;
1440
1441         orig_flags = win->ewmh_flags;
1442
1443         switch (action) {
1444         case _NET_WM_STATE_REMOVE:
1445                 win->ewmh_flags &= ~mask;
1446                 break;
1447         case _NET_WM_STATE_ADD:
1448                 win->ewmh_flags |= mask;
1449                 break;
1450         case _NET_WM_STATE_TOGGLE:
1451                 win->ewmh_flags ^= mask;
1452                 break;
1453         }
1454
1455         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1456
1457         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1458                 if (changed && !floating_toggle_win(win))
1459                                 win->ewmh_flags = orig_flags; /* revert */
1460         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1461                 if (changed)
1462                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1463         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1464                 if (changed && !ewmh_set_win_fullscreen(win,
1465                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1466                                 win->ewmh_flags = orig_flags; /* revert */
1467         }
1468
1469         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1470
1471         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1472                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1473                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1474                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1475         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1476                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1477                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1478                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1479         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1480                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1481                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1482                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1483         else if (win->ewmh_flags & EWMH_F_ABOVE)
1484                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1485                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1486                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1487         else if (win->ewmh_flags & SWM_F_MANUAL)
1488                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1489                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1490                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1491 }
1492
1493 void
1494 ewmh_get_win_state(struct ws_win *win)
1495 {
1496         xcb_atom_t                      *states;
1497         xcb_get_property_cookie_t       c;
1498         xcb_get_property_reply_t        *r;
1499         int                             i, n;
1500
1501         if (win == NULL)
1502                 return;
1503
1504         win->ewmh_flags = 0;
1505         if (win->floating)
1506                 win->ewmh_flags |= EWMH_F_ABOVE;
1507         if (win->manual)
1508                 win->ewmh_flags |= SWM_F_MANUAL;
1509
1510         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1511             XCB_ATOM_ATOM, 0, UINT32_MAX);
1512         r = xcb_get_property_reply(conn, c, NULL);
1513         if (!r)
1514                 return;
1515
1516         states = xcb_get_property_value(r);
1517         n = xcb_get_property_value_length(r);
1518
1519         for (i = 0; i < n; i++)
1520                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1521
1522         free(r);
1523 }
1524
1525 /* events */
1526 #ifdef SWM_DEBUG
1527 void
1528 dumpwins(struct swm_region *r, union arg *args)
1529 {
1530         struct ws_win                           *win;
1531         uint32_t                                state;
1532         xcb_get_window_attributes_cookie_t      c;
1533         xcb_get_window_attributes_reply_t       *wa;
1534
1535         /* suppress unused warning since var is needed */
1536         (void)args;
1537
1538         if (r->ws == NULL) {
1539                 warnx("dumpwins: invalid workspace");
1540                 return;
1541         }
1542
1543         warnx("=== managed window list ws %02d ===", r->ws->idx);
1544         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1545                 state = getstate(win->id);
1546                 c = xcb_get_window_attributes(conn, win->id);
1547                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1548                 if (wa) {
1549                         warnx("window: 0x%x, map_state: %d, state: %u, "
1550                             "transient: 0x%x", win->id, wa->map_state,
1551                             state, win->transient);
1552                         free(wa);
1553                 } else
1554                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1555                             win->id);
1556         }
1557
1558         warnx("===== unmanaged window list =====");
1559         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1560                 state = getstate(win->id);
1561                 c = xcb_get_window_attributes(conn, win->id);
1562                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1563                 if (wa) {
1564                         warnx("window: 0x%x, map_state: %d, state: %u, "
1565                             "transient: 0x%x", win->id, wa->map_state,
1566                             state, win->transient);
1567                         free(wa);
1568                 } else
1569                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1570                             win->id);
1571         }
1572
1573         warnx("=================================");
1574 }
1575 #else
1576 void
1577 dumpwins(struct swm_region *r, union arg *s)
1578 {
1579         (void)r;
1580         (void)s;
1581 }
1582 #endif /* SWM_DEBUG */
1583
1584 void
1585 sighdlr(int sig)
1586 {
1587         int                     saved_errno, status;
1588         pid_t                   pid;
1589
1590         saved_errno = errno;
1591
1592         switch (sig) {
1593         case SIGCHLD:
1594                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1595                         if (pid == -1) {
1596                                 if (errno == EINTR)
1597                                         continue;
1598 #ifdef SWM_DEBUG
1599                                 if (errno != ECHILD)
1600                                         warn("sighdlr: waitpid");
1601 #endif /* SWM_DEBUG */
1602                                 break;
1603                         }
1604                         if (pid == searchpid)
1605                                 search_resp = 1;
1606
1607 #ifdef SWM_DEBUG
1608                         if (WIFEXITED(status)) {
1609                                 if (WEXITSTATUS(status) != 0)
1610                                         warnx("sighdlr: child exit status: %d",
1611                                             WEXITSTATUS(status));
1612                         } else
1613                                 warnx("sighdlr: child is terminated "
1614                                     "abnormally");
1615 #endif /* SWM_DEBUG */
1616                 }
1617                 break;
1618
1619         case SIGHUP:
1620                 restart_wm = 1;
1621                 break;
1622         case SIGINT:
1623         case SIGTERM:
1624         case SIGQUIT:
1625                 running = 0;
1626                 break;
1627         }
1628
1629         errno = saved_errno;
1630 }
1631
1632 struct pid_e *
1633 find_pid(pid_t pid)
1634 {
1635         struct pid_e            *p = NULL;
1636
1637         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1638
1639         if (pid == 0)
1640                 return (NULL);
1641
1642         TAILQ_FOREACH(p, &pidlist, entry) {
1643                 if (p->pid == pid)
1644                         return (p);
1645         }
1646
1647         return (NULL);
1648 }
1649
1650 uint32_t
1651 name_to_pixel(const char *colorname)
1652 {
1653         uint32_t                        result = 0;
1654         char                            cname[32] = "#";
1655         xcb_screen_t                    *screen;
1656         xcb_colormap_t                  cmap;
1657         xcb_alloc_color_reply_t         *cr;
1658         xcb_alloc_named_color_reply_t   *nr;
1659         uint16_t                        rr, gg, bb;
1660
1661         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1662         cmap = screen->default_colormap;
1663
1664         /* color is in format rgb://rr/gg/bb */
1665         if (strncmp(colorname, "rgb:", 4) == 0) {
1666                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1667                         warnx("could not parse rgb %s", colorname);
1668                 else {
1669                         cr = xcb_alloc_color_reply(conn,
1670                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1671                             NULL);
1672                         if (cr) {
1673                                 result = cr->pixel;
1674                                 free(cr);
1675                         } else
1676                                 warnx("color '%s' not found", colorname);
1677                 }
1678         } else {
1679                 nr = xcb_alloc_named_color_reply(conn,
1680                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1681                             colorname), NULL);
1682                 if (!nr) {
1683                         strlcat(cname, colorname + 2, sizeof cname - 1);
1684                         nr = xcb_alloc_named_color_reply(conn,
1685                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1686                             cname), NULL);
1687                 }
1688                 if (nr) {
1689                         result = nr->pixel;
1690                         free(nr);
1691                 } else
1692                         warnx("color '%s' not found", colorname);
1693         }
1694
1695         return (result);
1696 }
1697
1698 void
1699 setscreencolor(char *val, int i, int c)
1700 {
1701         int     num_screens;
1702
1703         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1704         if (i > 0 && i <= num_screens) {
1705                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1706                 free(screens[i - 1].c[c].name);
1707                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1708                         err(1, "strdup");
1709         } else if (i == -1) {
1710                 for (i = 0; i < num_screens; i++) {
1711                         screens[i].c[c].pixel = name_to_pixel(val);
1712                         free(screens[i].c[c].name);
1713                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1714                                 err(1, "strdup");
1715                 }
1716         } else
1717                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1718                     i, num_screens);
1719 }
1720
1721 void
1722 fancy_stacker(struct workspace *ws)
1723 {
1724         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1725         if (ws->cur_layout->l_stack == vertical_stack)
1726                 snprintf(ws->stacker, sizeof ws->stacker,
1727                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1728                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1729         if (ws->cur_layout->l_stack == horizontal_stack)
1730                 snprintf(ws->stacker, sizeof ws->stacker,
1731                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1732                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1733 }
1734
1735 void
1736 plain_stacker(struct workspace *ws)
1737 {
1738         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1739         if (ws->cur_layout->l_stack == vertical_stack)
1740                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1741                     sizeof ws->stacker);
1742         if (ws->cur_layout->l_stack == horizontal_stack)
1743                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1744                     sizeof ws->stacker);
1745 }
1746
1747 void
1748 custom_region(char *val)
1749 {
1750         unsigned int                    x, y, w, h;
1751         int                             sidx, num_screens;
1752         xcb_screen_t                    *screen;
1753
1754         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1755         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1756                 errx(1, "invalid custom region, "
1757                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1758         if (sidx < 1 || sidx > num_screens)
1759                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1760                     sidx, num_screens);
1761         sidx--;
1762
1763         if ((screen = get_screen(sidx)) == NULL)
1764                 errx(1, "ERROR: can't get screen %d.", sidx);
1765
1766         if (w < 1 || h < 1)
1767                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1768
1769         if (x > screen->width_in_pixels ||
1770             y > screen->height_in_pixels ||
1771             w + x > screen->width_in_pixels ||
1772             h + y > screen->height_in_pixels) {
1773                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1774                     "boundaries (%ux%u)", w, h, x, y,
1775                     screen->width_in_pixels, screen->height_in_pixels);
1776                 return;
1777         }
1778
1779         new_region(&screens[sidx], x, y, w, h);
1780 }
1781
1782 void
1783 socket_setnonblock(int fd)
1784 {
1785         int                     flags;
1786
1787         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1788                 err(1, "fcntl F_GETFL");
1789         flags |= O_NONBLOCK;
1790         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1791                 err(1, "fcntl F_SETFL");
1792 }
1793
1794 void
1795 bar_print_legacy(struct swm_region *r, const char *s)
1796 {
1797         xcb_rectangle_t         rect;
1798         uint32_t                gcv[1];
1799         XGCValues               gcvd;
1800         int                     x = 0;
1801         size_t                  len;
1802         XRectangle              ibox, lbox;
1803         GC                      draw;
1804
1805         len = strlen(s);
1806         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1807
1808         switch (bar_justify) {
1809         case SWM_BAR_JUSTIFY_LEFT:
1810                 x = SWM_BAR_OFFSET;
1811                 break;
1812         case SWM_BAR_JUSTIFY_CENTER:
1813                 x = (WIDTH(r) - lbox.width) / 2;
1814                 break;
1815         case SWM_BAR_JUSTIFY_RIGHT:
1816                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1817                 break;
1818         }
1819
1820         if (x < SWM_BAR_OFFSET)
1821                 x = SWM_BAR_OFFSET;
1822
1823         rect.x = 0;
1824         rect.y = 0;
1825         rect.width = WIDTH(r->bar);
1826         rect.height = HEIGHT(r->bar);
1827
1828         /* clear back buffer */
1829         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1830         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1831         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1832
1833         /* draw back buffer */
1834         gcvd.graphics_exposures = 0;
1835         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1836         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1837         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1838             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1839             lbox.y, s, len);
1840         XFreeGC(display, draw);
1841
1842         /* blt */
1843         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1844             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1845 }
1846
1847 void
1848 bar_print(struct swm_region *r, const char *s)
1849 {
1850         size_t                          len;
1851         xcb_rectangle_t                 rect;
1852         uint32_t                        gcv[1];
1853         int32_t                         x = 0;
1854         XGlyphInfo                      info;
1855         XftDraw                         *draw;
1856
1857         len = strlen(s);
1858
1859         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1860
1861         switch (bar_justify) {
1862         case SWM_BAR_JUSTIFY_LEFT:
1863                 x = SWM_BAR_OFFSET;
1864                 break;
1865         case SWM_BAR_JUSTIFY_CENTER:
1866                 x = (WIDTH(r) - info.width) / 2;
1867                 break;
1868         case SWM_BAR_JUSTIFY_RIGHT:
1869                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1870                 break;
1871         }
1872
1873         if (x < SWM_BAR_OFFSET)
1874                 x = SWM_BAR_OFFSET;
1875
1876         rect.x = 0;
1877         rect.y = 0;
1878         rect.width = WIDTH(r->bar);
1879         rect.height = HEIGHT(r->bar);
1880
1881         /* clear back buffer */
1882         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1883         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1884         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1885
1886         /* draw back buffer */
1887         draw = XftDrawCreate(display, r->bar->buffer,
1888             DefaultVisual(display, r->s->idx),
1889             DefaultColormap(display, r->s->idx));
1890
1891         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1892             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1893             (FcChar8 *)s, len);
1894
1895         XftDrawDestroy(draw);
1896
1897         /* blt */
1898         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1899             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1900 }
1901
1902 void
1903 bar_extra_stop(void)
1904 {
1905         if (bar_pipe[0]) {
1906                 close(bar_pipe[0]);
1907                 bzero(bar_pipe, sizeof bar_pipe);
1908         }
1909         if (bar_pid) {
1910                 kill(bar_pid, SIGTERM);
1911                 bar_pid = 0;
1912         }
1913         strlcpy(bar_ext, "", sizeof bar_ext);
1914         bar_extra = 0;
1915 }
1916
1917 void
1918 bar_class_name(char *s, size_t sz, struct swm_region *r)
1919 {
1920         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1921                 return;
1922         if (r->ws->focus->ch.class_name != NULL)
1923                 strlcat(s, r->ws->focus->ch.class_name, sz);
1924 }
1925
1926 void
1927 bar_title_name(char *s, size_t sz, struct swm_region *r)
1928 {
1929         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1930                 return;
1931         if (r->ws->focus->ch.instance_name != NULL)
1932                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1933 }
1934
1935 void
1936 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1937 {
1938         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1939                 return;
1940
1941         bar_class_name(s, sz, r);
1942         strlcat(s, ":", sz);
1943         bar_title_name(s, sz, r);
1944 }
1945
1946 void
1947 bar_window_float(char *s, size_t sz, struct swm_region *r)
1948 {
1949         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1950                 return;
1951         if (r->ws->focus->floating)
1952                 strlcat(s, "(f)", sz);
1953 }
1954
1955 void
1956 bar_window_name(char *s, size_t sz, struct swm_region *r)
1957 {
1958         char            *title;
1959
1960         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1961                 return;
1962         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1963                 return;
1964
1965         strlcat(s, title, sz);
1966         free(title);
1967 }
1968
1969 int             urgent[SWM_WS_MAX];
1970 void
1971 bar_urgent(char *s, size_t sz)
1972 {
1973         struct ws_win           *win;
1974         int                     i, j, num_screens;
1975         char                    b[8];
1976         xcb_get_property_cookie_t       c;
1977         xcb_icccm_wm_hints_t    hints;
1978
1979         for (i = 0; i < workspace_limit; i++)
1980                 urgent[i] = 0;
1981
1982         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1983         for (i = 0; i < num_screens; i++)
1984                 for (j = 0; j < workspace_limit; j++)
1985                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1986                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1987                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1988                                     &hints, NULL) == 0)
1989                                         continue;
1990                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1991                                         urgent[j] = 1;
1992                         }
1993
1994         for (i = 0; i < workspace_limit; i++) {
1995                 if (urgent[i])
1996                         snprintf(b, sizeof b, "%d ", i + 1);
1997                 else
1998                         snprintf(b, sizeof b, "- ");
1999                 strlcat(s, b, sz);
2000         }
2001 }
2002
2003 void
2004 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2005 {
2006         if (r == NULL || r->ws == NULL)
2007                 return;
2008         if (r->ws->name != NULL)
2009                 strlcat(s, r->ws->name, sz);
2010 }
2011
2012 /* build the default bar format according to the defined enabled options */
2013 void
2014 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2015 {
2016         /* if format provided, just copy the buffers */
2017         if (bar_format != NULL) {
2018                 strlcpy(fmtnew, fmtexp, sz);
2019                 return;
2020         }
2021
2022         /* reset the output buffer */
2023         *fmtnew = '\0';
2024
2025         strlcat(fmtnew, "+N:+I ", sz);
2026         if (stack_enabled)
2027                 strlcat(fmtnew, "+S", sz);
2028         strlcat(fmtnew, " ", sz);
2029
2030         /* only show the workspace name if there's actually one */
2031         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2032                 strlcat(fmtnew, "<+D>", sz);
2033         strlcat(fmtnew, "+3<", sz);
2034
2035         if (clock_enabled) {
2036                 strlcat(fmtnew, fmtexp, sz);
2037                 strlcat(fmtnew, "+4<", sz);
2038         }
2039
2040         /* bar_urgent already adds the space before the last asterisk */
2041         if (urgent_enabled)
2042                 strlcat(fmtnew, "* +U*+4<", sz);
2043
2044         if (title_class_enabled) {
2045                 strlcat(fmtnew, "+C", sz);
2046                 if (!title_name_enabled)
2047                         strlcat(fmtnew, "+4<", sz);
2048         }
2049
2050         /* checks needed by the colon and floating strlcat(3) calls below */
2051         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2052                 if (title_name_enabled) {
2053                         if (title_class_enabled)
2054                                 strlcat(fmtnew, ":", sz);
2055                         strlcat(fmtnew, "+T+4<", sz);
2056                 }
2057                 if (window_name_enabled) {
2058                         if (r->ws->focus->floating)
2059                                 strlcat(fmtnew, "+F ", sz);
2060                         strlcat(fmtnew, "+64W ", sz);
2061                 }
2062         }
2063
2064         /* finally add the action script output and the version */
2065         strlcat(fmtnew, "+4<+A+4<+V", sz);
2066 }
2067
2068 void
2069 bar_replace_pad(char *tmp, int *limit, size_t sz)
2070 {
2071         /* special case; no limit given, pad one space, instead */
2072         if (*limit == (int)sz - 1)
2073                 *limit = 1;
2074         snprintf(tmp, sz, "%*s", *limit, " ");
2075 }
2076
2077 /* replaces the bar format character sequences (like in tmux(1)) */
2078 char *
2079 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2080     size_t sz)
2081 {
2082         char                    *ptr;
2083         char                    tmp[SWM_BAR_MAX];
2084         int                     limit, size;
2085         size_t                  len;
2086
2087         /* reset strlcat(3) buffer */
2088         *tmp = '\0';
2089
2090         /* get number, if any */
2091         fmt++;
2092         size = 0;
2093         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2094                 limit = sizeof tmp - 1;
2095         if (limit <= 0 || limit >= (int)sizeof tmp)
2096                 limit = sizeof tmp - 1;
2097
2098         /* there is nothing to replace (ie EOL) */
2099         fmt += size;
2100         if (*fmt == '\0')
2101                 return (fmt);
2102
2103         switch (*fmt) {
2104         case '<':
2105                 bar_replace_pad(tmp, &limit, sizeof tmp);
2106                 break;
2107         case 'A':
2108                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2109                 break;
2110         case 'C':
2111                 bar_class_name(tmp, sizeof tmp, r);
2112                 break;
2113         case 'D':
2114                 bar_workspace_name(tmp, sizeof tmp, r);
2115                 break;
2116         case 'F':
2117                 bar_window_float(tmp, sizeof tmp, r);
2118                 break;
2119         case 'I':
2120                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2121                 break;
2122         case 'N':
2123                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2124                 break;
2125         case 'P':
2126                 bar_class_title_name(tmp, sizeof tmp, r);
2127                 break;
2128         case 'S':
2129                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2130                 break;
2131         case 'T':
2132                 bar_title_name(tmp, sizeof tmp, r);
2133                 break;
2134         case 'U':
2135                 bar_urgent(tmp, sizeof tmp);
2136                 break;
2137         case 'V':
2138                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2139                 break;
2140         case 'W':
2141                 bar_window_name(tmp, sizeof tmp, r);
2142                 break;
2143         default:
2144                 /* unknown character sequence; copy as-is */
2145                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2146                 break;
2147         }
2148
2149         len = strlen(tmp);
2150         ptr = tmp;
2151         if ((int)len < limit)
2152                 limit = len;
2153         while (limit-- > 0) {
2154                 if (*offrep >= sz - 1)
2155                         break;
2156                 fmtrep[(*offrep)++] = *ptr++;
2157         }
2158
2159         fmt++;
2160         return (fmt);
2161 }
2162
2163 void
2164 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2165 {
2166         size_t                  off;
2167
2168         off = 0;
2169         while (*fmt != '\0') {
2170                 if (*fmt != '+') {
2171                         /* skip ordinary characters */
2172                         if (off >= sz - 1)
2173                                 break;
2174                         fmtrep[off++] = *fmt++;
2175                         continue;
2176                 }
2177
2178                 /* character sequence found; replace it */
2179                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2180                 if (off >= sz - 1)
2181                         break;
2182         }
2183
2184         fmtrep[off] = '\0';
2185 }
2186
2187 void
2188 bar_fmt_expand(char *fmtexp, size_t sz)
2189 {
2190         char                    *fmt = NULL;
2191         size_t                  len;
2192         struct tm               tm;
2193         time_t                  tmt;
2194
2195         /* start by grabbing the current time and date */
2196         time(&tmt);
2197         localtime_r(&tmt, &tm);
2198
2199         /* figure out what to expand */
2200         if (bar_format != NULL)
2201                 fmt = bar_format;
2202         else if (bar_format == NULL && clock_enabled)
2203                 fmt = clock_format;
2204         /* if nothing to expand bail out */
2205         if (fmt == NULL) {
2206                 *fmtexp = '\0';
2207                 return;
2208         }
2209
2210         /* copy as-is, just in case the format shouldn't be expanded below */
2211         strlcpy(fmtexp, fmt, sz);
2212         /* finally pass the string through strftime(3) */
2213 #ifndef SWM_DENY_CLOCK_FORMAT
2214         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2215                 warnx("format too long");
2216         fmtexp[len] = '\0';
2217 #endif
2218 }
2219
2220 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2221 void
2222 bar_draw(void)
2223 {
2224         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2225         char                    fmtrep[SWM_BAR_MAX];
2226         int                     i, num_screens;
2227         struct swm_region       *r;
2228
2229         /* expand the format by first passing it through strftime(3) */
2230         bar_fmt_expand(fmtexp, sizeof fmtexp);
2231
2232         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2233         for (i = 0; i < num_screens; i++) {
2234                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2235                         if (r->bar == NULL)
2236                                 continue;
2237
2238                         if (bar_enabled && r->ws->bar_enabled)
2239                                 xcb_map_window(conn, r->bar->id);
2240                         else {
2241                                 xcb_unmap_window(conn, r->bar->id);
2242                                 continue;
2243                         }
2244
2245                         if (startup_exception)
2246                                 snprintf(fmtrep, sizeof fmtrep, "total "
2247                                     "exceptions: %d, first exception: %s",
2248                                     nr_exceptions,
2249                                     startup_exception);
2250                         else {
2251                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2252                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2253                         }
2254                         if (bar_font_legacy)
2255                                 bar_print_legacy(r, fmtrep);
2256                         else
2257                                 bar_print(r, fmtrep);
2258                 }
2259         }
2260 }
2261
2262 /*
2263  * Reads external script output; call when stdin is readable.
2264  * Returns 1 if bar_ext was updated; otherwise 0.
2265  */
2266 int
2267 bar_extra_update(void)
2268 {
2269         size_t          len;
2270         char            b[SWM_BAR_MAX];
2271         int             changed = 0;
2272
2273         if (!bar_extra)
2274                 return changed;
2275
2276         while (fgets(b, sizeof(b), stdin) != NULL) {
2277                 if (bar_enabled) {
2278                         len = strlen(b);
2279                         if (b[len - 1] == '\n') {
2280                                 /* Remove newline. */
2281                                 b[--len] = '\0';
2282
2283                                 /* "Clear" bar_ext. */
2284                                 bar_ext[0] = '\0';
2285
2286                                 /* Flush buffered output. */
2287                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2288                                 bar_ext_buf[0] = '\0';
2289
2290                                 /* Append new output to bar. */
2291                                 strlcat(bar_ext, b, sizeof(bar_ext));
2292
2293                                 changed = 1;
2294                         } else {
2295                                 /* Buffer output. */
2296                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2297                         }
2298                 }
2299         }
2300
2301         if (errno != EAGAIN) {
2302                 warn("bar_action failed");
2303                 bar_extra_stop();
2304                 changed = 1;
2305         }
2306
2307         return changed;
2308 }
2309
2310 void
2311 bar_toggle(struct swm_region *r, union arg *args)
2312 {
2313         struct swm_region       *tmpr;
2314         int                     i, num_screens;
2315
2316         /* suppress unused warnings since vars are needed */
2317         (void)r;
2318         (void)args;
2319
2320         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2321
2322         switch (args->id) {
2323         case SWM_ARG_ID_BAR_TOGGLE_WS:
2324                 /* Only change if master switch is enabled. */
2325                 if (bar_enabled)
2326                         r->ws->bar_enabled = !r->ws->bar_enabled;
2327                 else
2328                         bar_enabled = r->ws->bar_enabled = 1;
2329                 break;
2330         case SWM_ARG_ID_BAR_TOGGLE:
2331                 bar_enabled = !bar_enabled;
2332                 break;
2333         }
2334
2335         /* update bars as necessary */
2336         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2337         for (i = 0; i < num_screens; i++)
2338                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2339                         if (tmpr->bar) {
2340                                 if (bar_enabled && tmpr->ws->bar_enabled)
2341                                         xcb_map_window(conn, tmpr->bar->id);
2342                                 else
2343                                         xcb_unmap_window(conn, tmpr->bar->id);
2344                         }
2345
2346         stack();
2347
2348         /* must be after stack */
2349         bar_draw();
2350
2351         focus_flush();
2352 }
2353
2354 void
2355 bar_extra_setup(void)
2356 {
2357         /* do this here because the conf file is in memory */
2358         if (!bar_extra && bar_argv[0]) {
2359                 /* launch external status app */
2360                 bar_extra = 1;
2361                 if (pipe(bar_pipe) == -1)
2362                         err(1, "pipe error");
2363                 socket_setnonblock(bar_pipe[0]);
2364                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2365
2366                 /* Set stdin to read from the pipe. */
2367                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2368                         err(1, "dup2");
2369
2370                 /* Set stdout to write to the pipe. */
2371                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2372                         err(1, "dup2");
2373
2374                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2375                         err(1, "could not disable SIGPIPE");
2376                 switch (bar_pid = fork()) {
2377                 case -1:
2378                         err(1, "cannot fork");
2379                         break;
2380                 case 0: /* child */
2381                         close(bar_pipe[0]);
2382                         execvp(bar_argv[0], bar_argv);
2383                         err(1, "%s external app failed", bar_argv[0]);
2384                         break;
2385                 default: /* parent */
2386                         close(bar_pipe[1]);
2387                         break;
2388                 }
2389
2390                 atexit(kill_bar_extra_atexit);
2391         }
2392 }
2393
2394 void
2395 kill_bar_extra_atexit(void)
2396 {
2397         if (bar_pid)
2398                 kill(bar_pid, SIGTERM);
2399 }
2400
2401 int
2402 isxlfd(char *s)
2403 {
2404         int      count = 0;
2405
2406         while ((s = index(s, '-'))) {
2407                 ++count;
2408                 ++s;
2409         }
2410
2411         return (count == 14);
2412 }
2413
2414 void
2415 fontset_init(void)
2416 {
2417         char                    *default_string;
2418         char                    **missing_charsets;
2419         int                     num_missing_charsets = 0;
2420         int                     i;
2421
2422         if (bar_fs) {
2423                 XFreeFontSet(display, bar_fs);
2424                 bar_fs = NULL;
2425         }
2426
2427         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2428
2429         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2430             &num_missing_charsets, &default_string);
2431
2432         if (num_missing_charsets > 0) {
2433                 warnx("Unable to load charset(s):");
2434
2435                 for (i = 0; i < num_missing_charsets; ++i)
2436                         warnx("%s", missing_charsets[i]);
2437
2438                 XFreeStringList(missing_charsets);
2439
2440                 if (strcmp(default_string, ""))
2441                         warnx("Glyphs from those sets will be replaced "
2442                             "by '%s'.", default_string);
2443                 else
2444                         warnx("Glyphs from those sets won't be drawn.");
2445         }
2446
2447         if (bar_fs == NULL)
2448                 errx(1, "Error creating font set structure.");
2449
2450         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2451
2452         bar_height = bar_fs_extents->max_logical_extent.height +
2453             2 * bar_border_width;
2454
2455         if (bar_height < 1)
2456                 bar_height = 1;
2457 }
2458
2459 void
2460 xft_init(struct swm_region *r)
2461 {
2462         char                    *font, *d, *search;
2463         XRenderColor            color;
2464
2465         if (bar_font == NULL) {
2466                 if ((d = strdup(bar_fonts)) == NULL)
2467                         errx(1, "insufficient memory.");
2468                 search = d;
2469                 while ((font = strsep(&search, ",")) != NULL) {
2470                         if (*font == '\0')
2471                                 continue;
2472
2473                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2474
2475                         if (isxlfd(font)) {
2476                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2477                                                 font);
2478                         } else {
2479                                 bar_font = XftFontOpenName(display, r->s->idx,
2480                                                 font);
2481                         }
2482
2483                         if (!bar_font) {
2484                                 warnx("unable to load font %s", font);
2485                                 continue;
2486                         } else {
2487                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2488                                     "font %s\n", font);
2489                                 break;
2490                         }
2491                 }
2492                 free(d);
2493         }
2494
2495         if (bar_font == NULL)
2496                 errx(1, "unable to open a font");
2497
2498         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2499
2500         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2501             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2502                 warn("Xft error: unable to allocate color.");
2503
2504         bar_height = bar_font->height + 2 * bar_border_width;
2505
2506         if (bar_height < 1)
2507                 bar_height = 1;
2508 }
2509
2510 void
2511 bar_setup(struct swm_region *r)
2512 {
2513         xcb_screen_t    *screen;
2514         uint32_t         wa[3];
2515
2516         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2517             r->s->idx);
2518
2519         if ((screen = get_screen(r->s->idx)) == NULL)
2520                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2521
2522         if (r->bar != NULL)
2523                 return;
2524
2525         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2526                 err(1, "bar_setup: calloc: failed to allocate memory.");
2527
2528         if (bar_font_legacy)
2529                 fontset_init();
2530         else
2531                 xft_init(r);
2532
2533         X(r->bar) = X(r);
2534         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2535         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2536         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2537
2538         /* Assume region is unfocused when we create the bar. */
2539         r->bar->id = xcb_generate_id(conn);
2540         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2541         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2542         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2543
2544         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2545             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2546             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2547             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2548             | XCB_CW_EVENT_MASK, wa);
2549
2550         r->bar->buffer = xcb_generate_id(conn);
2551         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2552             WIDTH(r->bar), HEIGHT(r->bar));
2553
2554         if (xrandr_support)
2555                 xcb_randr_select_input(conn, r->bar->id,
2556                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2557
2558         if (bar_enabled)
2559                 xcb_map_window(conn, r->bar->id);
2560
2561         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2562             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2563             HEIGHT(r->bar));
2564
2565         bar_extra_setup();
2566 }
2567
2568 void
2569 bar_cleanup(struct swm_region *r)
2570 {
2571         if (r->bar == NULL)
2572                 return;
2573         xcb_destroy_window(conn, r->bar->id);
2574         xcb_free_pixmap(conn, r->bar->buffer);
2575         free(r->bar);
2576         r->bar = NULL;
2577 }
2578
2579 void
2580 set_win_state(struct ws_win *win, uint16_t state)
2581 {
2582         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2583
2584         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2585             win->id, state);
2586
2587         if (win == NULL)
2588                 return;
2589
2590         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2591             a_state, 32, 2, data);
2592 }
2593
2594 uint32_t
2595 getstate(xcb_window_t w)
2596 {
2597         uint32_t                        result = 0;
2598         xcb_get_property_cookie_t       c;
2599         xcb_get_property_reply_t        *r;
2600
2601         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2602         r = xcb_get_property_reply(conn, c, NULL);
2603
2604         if (r) {
2605                 if (r->type == a_state && r->format == 32 && r->length == 2)
2606                         result = *((uint32_t *)xcb_get_property_value(r));
2607                 free(r);
2608         }
2609
2610         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2611             result);
2612         return (result);
2613 }
2614
2615 void
2616 version(struct swm_region *r, union arg *args)
2617 {
2618         /* suppress unused warnings since vars are needed */
2619         (void)r;
2620         (void)args;
2621
2622         bar_version = !bar_version;
2623         if (bar_version)
2624                 snprintf(bar_vertext, sizeof bar_vertext,
2625                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2626         else
2627                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2628
2629         bar_draw();
2630         xcb_flush(conn);
2631 }
2632
2633 void
2634 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2635 {
2636         xcb_client_message_event_t      ev;
2637 #ifdef SWM_DEBUG
2638         char                            *name;
2639 #endif
2640
2641         if (win == NULL)
2642                 return;
2643 #ifdef SWM_DEBUG
2644         name = get_atom_name(a);
2645         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2646             "time: %#x\n",
2647             win->id, name, a, t);
2648         free(name);
2649 #endif
2650
2651         bzero(&ev, sizeof ev);
2652         ev.response_type = XCB_CLIENT_MESSAGE;
2653         ev.window = win->id;
2654         ev.type = a_prot;
2655         ev.format = 32;
2656         ev.data.data32[0] = a;
2657         ev.data.data32[1] = t;
2658
2659         xcb_send_event(conn, 0, win->id,
2660             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2661 }
2662
2663 /* synthetic response to a ConfigureRequest when not making a change */
2664 void
2665 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2666 {
2667         xcb_configure_notify_event_t ce;
2668
2669         if (win == NULL)
2670                 return;
2671
2672         /* send notification of unchanged state. */
2673         bzero(&ce, sizeof(ce));
2674         ce.response_type = XCB_CONFIGURE_NOTIFY;
2675         ce.x = X(win);
2676         ce.y = Y(win);
2677         ce.width = WIDTH(win);
2678         ce.height = HEIGHT(win);
2679         ce.override_redirect = 0;
2680
2681         if (ev == NULL) {
2682                 /* EWMH */
2683                 ce.event = win->id;
2684                 ce.window = win->id;
2685                 ce.border_width = BORDER(win);
2686                 ce.above_sibling = XCB_WINDOW_NONE;
2687         } else {
2688                 /* normal */
2689                 ce.event = ev->window;
2690                 ce.window = ev->window;
2691
2692                 /* make response appear more WM_SIZE_HINTS-compliant */
2693                 if (win->sh.flags) {
2694                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2695                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2696                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2697                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2698                             SH_INC_W(win), SH_INC_H(win));
2699                 }
2700
2701                 /* min size */
2702                 if (SH_MIN(win)) {
2703                         /* the hint may be set... to 0! */
2704                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2705                                 ce.width = SH_MIN_W(win);
2706                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2707                                 ce.height = SH_MIN_H(win);
2708                 }
2709
2710                 /* max size */
2711                 if (SH_MAX(win)) {
2712                         /* may also be advertized as 0 */
2713                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2714                                 ce.width = SH_MAX_W(win);
2715                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2716                                 ce.height = SH_MAX_H(win);
2717                 }
2718
2719                 /* resize increment. */
2720                 if (SH_INC(win)) {
2721                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2722                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2723                                     SH_INC_W(win);
2724                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2725                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2726                                     SH_INC_H(win);
2727                 }
2728
2729                 /* adjust x and y for requested border_width. */
2730                 ce.x += BORDER(win) - ev->border_width;
2731                 ce.y += BORDER(win) - ev->border_width;
2732                 ce.border_width = ev->border_width;
2733                 ce.above_sibling = ev->sibling;
2734         }
2735
2736         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2737             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2738             ce.y, ce.width, ce.height, ce.border_width);
2739
2740         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2741             (char *)&ce);
2742 }
2743
2744 int
2745 count_win(struct workspace *ws, int count_transient)
2746 {
2747         struct ws_win           *win;
2748         int                     count = 0;
2749
2750         TAILQ_FOREACH(win, &ws->winlist, entry) {
2751                 if (!count_transient && win->floating)
2752                         continue;
2753                 if (!count_transient && win->transient)
2754                         continue;
2755                 if (win->iconic)
2756                         continue;
2757                 count++;
2758         }
2759         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2760
2761         return (count);
2762 }
2763
2764 void
2765 quit(struct swm_region *r, union arg *args)
2766 {
2767         /* suppress unused warnings since vars are needed */
2768         (void)r;
2769         (void)args;
2770
2771         DNPRINTF(SWM_D_MISC, "quit\n");
2772         running = 0;
2773 }
2774
2775 void
2776 map_window(struct ws_win *win)
2777 {
2778         uint32_t        val = XCB_STACK_MODE_ABOVE;
2779
2780         if (win == NULL)
2781                 return;
2782
2783         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s\n", win->id,
2784             YESNO(win->mapped));
2785
2786         xcb_configure_window(conn, win->id,
2787             XCB_CONFIG_WINDOW_STACK_MODE, &val);
2788
2789         if (win->mapped)
2790                 return;
2791
2792         xcb_map_window(conn, win->id);
2793         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2794         win->mapped = 1;
2795 }
2796
2797 void
2798 unmap_window(struct ws_win *win)
2799 {
2800         if (win == NULL)
2801                 return;
2802
2803         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2804             YESNO(win->mapped));
2805
2806         if (!win->mapped)
2807                 return;
2808
2809         xcb_unmap_window(conn, win->id);
2810         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2811         win->mapped = 0;
2812 }
2813
2814 void
2815 unmap_all(void)
2816 {
2817         struct ws_win           *win;
2818         int                     i, j, num_screens;
2819
2820         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2821         for (i = 0; i < num_screens; i++)
2822                 for (j = 0; j < workspace_limit; j++)
2823                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2824                                 unmap_window(win);
2825 }
2826
2827 void
2828 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2829 {
2830         xcb_key_press_event_t   event;
2831         xcb_keycode_t           *keycode;
2832
2833         if (win == NULL)
2834                 return;
2835
2836         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2837
2838         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2839             win->id, *keycode);
2840
2841         bzero(&event, sizeof(event));
2842         event.event = win->id;
2843         event.root = win->s->root;
2844         event.child = XCB_WINDOW_NONE;
2845         event.time = XCB_CURRENT_TIME;
2846         event.event_x = X(win);
2847         event.event_y = Y(win);
2848         event.root_x = 1;
2849         event.root_y = 1;
2850         event.same_screen = 1;
2851         event.detail = *keycode;
2852         event.state = modifiers;
2853
2854         event.response_type = XCB_KEY_PRESS;
2855         xcb_send_event(conn, 1, win->id,
2856             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2857
2858         event.response_type = XCB_KEY_RELEASE;
2859         xcb_send_event(conn, 1, win->id,
2860             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2861
2862         free(keycode);
2863 }
2864
2865 void
2866 restart(struct swm_region *r, union arg *args)
2867 {
2868         /* suppress unused warning since var is needed */
2869         (void)r;
2870         (void)args;
2871
2872         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2873
2874         shutdown_cleanup();
2875
2876         execvp(start_argv[0], start_argv);
2877         warn("execvp failed");
2878         quit(NULL, NULL);
2879 }
2880
2881 struct ws_win *
2882 get_pointer_win(xcb_window_t root)
2883 {
2884         struct ws_win                   *win = NULL;
2885         xcb_query_pointer_reply_t       *r;
2886
2887         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2888
2889         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2890         if (r) {
2891                 win = find_window(r->child);
2892                 if (win) {
2893                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2894                             win->id);
2895                 } else {
2896                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2897                 }
2898                 free(r);
2899         }
2900
2901         return win;
2902 }
2903
2904 struct swm_region *
2905 root_to_region(xcb_window_t root, int check)
2906 {
2907         struct ws_win                   *cfw;
2908         struct swm_region               *r = NULL;
2909         int                             i, num_screens;
2910         xcb_query_pointer_reply_t       *qpr;
2911         xcb_get_input_focus_reply_t     *gifr;
2912
2913         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2914
2915         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2916         for (i = 0; i < num_screens; i++)
2917                 if (screens[i].root == root)
2918                         break;
2919
2920         if (check & SWM_CK_REGION)
2921                 r = screens[i].r_focus;
2922
2923         if (r == NULL && check & SWM_CK_FOCUS) {
2924                 /* Try to find an actively focused window */
2925                 gifr = xcb_get_input_focus_reply(conn,
2926                     xcb_get_input_focus(conn), NULL);
2927                 if (gifr) {
2928                         cfw = find_window(gifr->focus);
2929                         if (cfw && cfw->ws->r)
2930                                 r = cfw->ws->r;
2931
2932                         free(gifr);
2933                 }
2934         }
2935
2936         if (r == NULL && check & SWM_CK_POINTER) {
2937                 /* No region with an active focus; try to use pointer. */
2938                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2939                     screens[i].root), NULL);
2940
2941                 if (qpr) {
2942                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2943                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2944                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2945                                 if (X(r) <= qpr->root_x &&
2946                                     qpr->root_x < MAX_X(r) &&
2947                                     Y(r) <= qpr->root_y &&
2948                                     qpr->root_y < MAX_Y(r))
2949                                         break;
2950                         free(qpr);
2951                 }
2952         }
2953
2954         /* Last resort. */
2955         if (r == NULL && check & SWM_CK_FALLBACK)
2956                 r = TAILQ_FIRST(&screens[i].rl);
2957
2958         return (r);
2959 }
2960
2961 struct ws_win *
2962 find_unmanaged_window(xcb_window_t id)
2963 {
2964         struct ws_win           *win;
2965         int                     i, j, num_screens;
2966
2967         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2968         for (i = 0; i < num_screens; i++)
2969                 for (j = 0; j < workspace_limit; j++)
2970                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2971                             entry)
2972                                 if (id == win->id)
2973                                         return (win);
2974         return (NULL);
2975 }
2976
2977 struct ws_win *
2978 find_window(xcb_window_t id)
2979 {
2980         struct ws_win           *win;
2981         int                     i, j, num_screens;
2982         xcb_query_tree_reply_t  *r;
2983
2984         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2985         for (i = 0; i < num_screens; i++)
2986                 for (j = 0; j < workspace_limit; j++)
2987                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2988                                 if (id == win->id)
2989                                         return (win);
2990
2991         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2992         if (!r)
2993                 return (NULL);
2994
2995         /* if we were looking for the parent return that window instead */
2996         if (r->parent == 0 || r->root == r->parent) {
2997                 free(r);
2998                 return (NULL);
2999         }
3000
3001         /* look for parent */
3002         for (i = 0; i < num_screens; i++)
3003                 for (j = 0; j < workspace_limit; j++)
3004                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3005                                 if (r->parent == win->id) {
3006                                         free(r);
3007                                         return (win);
3008                                 }
3009
3010         free(r);
3011         return (NULL);
3012 }
3013
3014 void
3015 spawn(int ws_idx, union arg *args, int close_fd)
3016 {
3017         int                     fd;
3018         char                    *ret = NULL;
3019
3020         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3021
3022         close(xcb_get_file_descriptor(conn));
3023
3024         setenv("LD_PRELOAD", SWM_LIB, 1);
3025
3026         if (asprintf(&ret, "%d", ws_idx) == -1) {
3027                 warn("spawn: asprintf SWM_WS");
3028                 _exit(1);
3029         }
3030         setenv("_SWM_WS", ret, 1);
3031         free(ret);
3032         ret = NULL;
3033
3034         if (asprintf(&ret, "%d", getpid()) == -1) {
3035                 warn("spawn: asprintf _SWM_PID");
3036                 _exit(1);
3037         }
3038         setenv("_SWM_PID", ret, 1);
3039         free(ret);
3040         ret = NULL;
3041
3042         if (setsid() == -1) {
3043                 warn("spawn: setsid");
3044                 _exit(1);
3045         }
3046
3047         if (close_fd) {
3048                 /*
3049                  * close stdin and stdout to prevent interaction between apps
3050                  * and the baraction script
3051                  * leave stderr open to record errors
3052                 */
3053                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3054                         warn("spawn: open");
3055                         _exit(1);
3056                 }
3057                 dup2(fd, STDIN_FILENO);
3058                 dup2(fd, STDOUT_FILENO);
3059                 if (fd > 2)
3060                         close(fd);
3061         }
3062
3063         execvp(args->argv[0], args->argv);
3064
3065         warn("spawn: execvp");
3066         _exit(1);
3067 }
3068
3069 void
3070 kill_refs(struct ws_win *win)
3071 {
3072         int                     i, x, num_screens;
3073         struct swm_region       *r;
3074         struct workspace        *ws;
3075
3076         if (win == NULL)
3077                 return;
3078
3079         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3080         for (i = 0; i < num_screens; i++)
3081                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3082                         for (x = 0; x < workspace_limit; x++) {
3083                                 ws = &r->s->ws[x];
3084                                 if (win == ws->focus)
3085                                         ws->focus = NULL;
3086                                 if (win == ws->focus_prev)
3087                                         ws->focus_prev = NULL;
3088                         }
3089 }
3090
3091 int
3092 validate_win(struct ws_win *testwin)
3093 {
3094         struct ws_win           *win;
3095         struct workspace        *ws;
3096         struct swm_region       *r;
3097         int                     i, x, num_screens;
3098
3099         if (testwin == NULL)
3100                 return (0);
3101
3102         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3103         for (i = 0; i < num_screens; i++)
3104                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3105                         for (x = 0; x < workspace_limit; x++) {
3106                                 ws = &r->s->ws[x];
3107                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3108                                         if (win == testwin)
3109                                                 return (0);
3110                         }
3111         return (1);
3112 }
3113
3114 int
3115 validate_ws(struct workspace *testws)
3116 {
3117         struct swm_region       *r;
3118         struct workspace        *ws;
3119         int                     i, x, num_screens;
3120
3121         /* validate all ws */
3122         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3123         for (i = 0; i < num_screens; i++)
3124                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3125                         for (x = 0; x < workspace_limit; x++) {
3126                                 ws = &r->s->ws[x];
3127                                 if (ws == testws)
3128                                         return (0);
3129                         }
3130         return (1);
3131 }
3132
3133 void
3134 unfocus_win(struct ws_win *win)
3135 {
3136         xcb_window_t            none = XCB_WINDOW_NONE;
3137
3138         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3139
3140         if (win == NULL)
3141                 return;
3142         if (win->ws == NULL) {
3143                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3144                 return;
3145         }
3146
3147         if (validate_ws(win->ws)) {
3148                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3149                 return;
3150         }
3151
3152         if (win->ws->r == NULL) {
3153                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3154                 return;
3155         }
3156
3157         if (validate_win(win)) {
3158                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3159                 kill_refs(win);
3160                 return;
3161         }
3162
3163         if (win->ws->focus == win) {
3164                 win->ws->focus = NULL;
3165                 win->ws->focus_prev = win;
3166         }
3167
3168         if (validate_win(win->ws->focus)) {
3169                 kill_refs(win->ws->focus);
3170                 win->ws->focus = NULL;
3171         }
3172
3173         if (validate_win(win->ws->focus_prev)) {
3174                 kill_refs(win->ws->focus_prev);
3175                 win->ws->focus_prev = NULL;
3176         }
3177
3178         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3179             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3180
3181         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3182             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3183
3184         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3185 }
3186
3187 void
3188 focus_win(struct ws_win *win)
3189 {
3190         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3191         struct workspace                *ws;
3192         xcb_get_input_focus_reply_t     *r;
3193
3194         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3195
3196         if (win == NULL)
3197                 goto out;
3198
3199         if (win->ws == NULL)
3200                 goto out;
3201
3202         if (!win->mapped)
3203                 goto out;
3204
3205         ws = win->ws;
3206
3207         if (validate_ws(ws))
3208                 goto out;
3209
3210         if (validate_win(win)) {
3211                 kill_refs(win);
3212                 goto out;
3213         }
3214
3215         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3216         if (r) {
3217                 cfw = find_window(r->focus);
3218                 if (cfw != win)
3219                         unfocus_win(cfw);
3220                 free(r);
3221         }
3222
3223         if (ws->focus != win) {
3224                 if (ws->focus && ws->focus != cfw)
3225                         unfocus_win(ws->focus);
3226                 ws->focus = win;
3227         }
3228
3229         /* If this window directs focus to a child window, then clear. */
3230         if (win->focus_child)
3231                 win->focus_child = NULL;
3232
3233         /* If transient, adjust parent's focus child for focus_magic. */
3234         if (win->transient) {
3235                 parent = find_window(win->transient);
3236                 if (parent && parent->focus_child != win)
3237                         parent->focus_child = win;
3238         }
3239
3240         if (cfw != win && ws->r != NULL) {
3241                 /* Set input focus if no input hint, or indicated by hint. */
3242                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3243                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3244                      win->hints.input))
3245                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3246                                         win->id, last_event_time);
3247
3248                 /* Tell app it can adjust focus to a specific window. */
3249                 if (win->take_focus) {
3250                         /* java is special; always tell parent */
3251                         if (win->transient && win->java)
3252                                 client_msg(parent, a_takefocus,
3253                                     last_event_time);
3254                         else
3255                                 client_msg(win, a_takefocus, last_event_time);
3256                 }
3257
3258                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3259                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3260
3261                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3262                     ws->always_raise) {
3263                         /* If a parent exists, map it first. */
3264                         if (parent) {
3265                                 map_window(parent);
3266
3267                                 /* Map siblings next. */
3268                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3269                                         if (w != win && !w->iconic &&
3270                                             w->transient == parent->id)
3271                                                 map_window(w);
3272                         }
3273
3274                         /* Map focused window. */
3275                         map_window(win);
3276
3277                         /* Finally, map children of focus window. */
3278                         TAILQ_FOREACH(w, &ws->winlist, entry)
3279                                 if (w->transient == win->id && !w->iconic)
3280                                         map_window(w);
3281                 }
3282
3283                 set_region(ws->r);
3284
3285                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3286                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3287                     &win->id);
3288         }
3289
3290 out:
3291         bar_draw();
3292
3293         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3294 }
3295
3296 /* If a child window should have focus instead, return it. */
3297 struct ws_win *
3298 get_focus_magic(struct ws_win *win)
3299 {
3300         struct ws_win   *parent = NULL;
3301         struct ws_win   *child = NULL;
3302
3303         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3304         if (win == NULL)
3305                 return win;
3306
3307         if (win->transient) {
3308                 parent = find_window(win->transient);
3309
3310                 /* If parent prefers focus elsewhere, then try to do so. */
3311                 if (parent && (child = parent->focus_child)) {
3312                         if (validate_win(child) == 0 && child->mapped)
3313                                 win = child;
3314                         else
3315                                 parent->focus_child = NULL;
3316                 }
3317         }
3318
3319         /* If this window prefers focus elsewhere, then try to do so. */
3320         if ((child = win->focus_child)) {
3321                 if (validate_win(child) == 0 && child->mapped)
3322                         win = child;
3323                 else
3324                         win->focus_child = NULL;
3325         }
3326
3327         return win;
3328 }
3329
3330 void
3331 event_drain(uint8_t rt)
3332 {
3333         xcb_generic_event_t     *evt;
3334
3335         /* ensure all pending requests have been processed before filtering. */
3336         xcb_aux_sync(conn);
3337         while ((evt = xcb_poll_for_event(conn))) {
3338                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3339                         event_handle(evt);
3340
3341                 free(evt);
3342         }
3343 }
3344
3345 void
3346 set_region(struct swm_region *r)
3347 {
3348         struct swm_region       *rf;
3349
3350         if (r == NULL)
3351                 return;
3352
3353         rf = r->s->r_focus;
3354         /* Unfocus old region bar. */
3355         if (rf) {
3356                 if (rf == r)
3357                         return;
3358
3359                 xcb_change_window_attributes(conn, rf->bar->id,
3360                     XCB_CW_BORDER_PIXEL,
3361                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3362         }
3363
3364         /* Set region bar border to focus_color. */
3365         xcb_change_window_attributes(conn, r->bar->id,
3366             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3367
3368         r->s->r_focus = r;
3369 }
3370
3371 void
3372 focus_region(struct swm_region *r)
3373 {
3374         struct ws_win           *nfw;
3375         struct swm_region       *old_r;
3376
3377         if (r == NULL)
3378                 return;
3379
3380         old_r = r->s->r_focus;
3381         set_region(r);
3382
3383         nfw = get_region_focus(r);
3384         if (nfw) {
3385                 focus_win(nfw);
3386         } else {
3387                 /* New region is empty; need to manually unfocus win. */
3388                 if (old_r)
3389                         unfocus_win(old_r->ws->focus);
3390
3391                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->s->root,
3392                     XCB_CURRENT_TIME);
3393
3394                 /* Clear bar since empty. */
3395                 bar_draw();
3396         }
3397 }
3398
3399 void
3400 switchws(struct swm_region *r, union arg *args)
3401 {
3402         int                     wsid = args->id, unmap_old = 0;
3403         struct swm_region       *this_r, *other_r;
3404         struct ws_win           *win;
3405         struct workspace        *new_ws, *old_ws;
3406
3407         if (!(r && r->s))
3408                 return;
3409
3410         if (wsid >= workspace_limit)
3411                 return;
3412
3413         this_r = r;
3414         old_ws = this_r->ws;
3415         new_ws = &this_r->s->ws[wsid];
3416
3417         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3418             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3419
3420         if (new_ws == NULL || old_ws == NULL)
3421                 return;
3422         if (new_ws == old_ws)
3423                 return;
3424
3425         unfocus_win(old_ws->focus);
3426
3427         other_r = new_ws->r;
3428         if (other_r == NULL) {
3429                 /* the other workspace is hidden, hide this one */
3430                 old_ws->r = NULL;
3431                 unmap_old = 1;
3432         } else {
3433                 /* the other ws is visible in another region, exchange them */
3434                 other_r->ws_prior = new_ws;
3435                 other_r->ws = old_ws;
3436                 old_ws->r = other_r;
3437         }
3438         this_r->ws_prior = old_ws;
3439         this_r->ws = new_ws;
3440         new_ws->r = this_r;
3441
3442         /* Set focus_pending before stacking. */
3443         if (focus_mode != SWM_FOCUS_FOLLOW)
3444                 new_ws->focus_pending = get_region_focus(new_ws->r);
3445
3446         stack();
3447
3448         /* unmap old windows */
3449         if (unmap_old)
3450                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3451                         unmap_window(win);
3452
3453         /* if workspaces were swapped, then don't wait to set focus */
3454         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3455                 if (new_ws->focus_pending) {
3456                         focus_win(new_ws->focus_pending);
3457                 } else {
3458                         /* Empty region, focus on root. */
3459                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3460                             new_ws->r->s[new_ws->r->s->idx].root,
3461                             XCB_CURRENT_TIME);
3462                 }
3463         }
3464
3465         /* Clear bar if new ws is empty. */
3466         if (new_ws->focus_pending == NULL)
3467                 bar_draw();
3468
3469         focus_flush();
3470
3471         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3472 }
3473
3474 void
3475 cyclews(struct swm_region *r, union arg *args)
3476 {
3477         union                   arg a;
3478         struct swm_screen       *s = r->s;
3479         int                     cycle_all = 0;
3480
3481         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3482             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3483
3484         a.id = r->ws->idx;
3485         do {
3486                 switch (args->id) {
3487                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3488                         cycle_all = 1;
3489                         /* FALLTHROUGH */
3490                 case SWM_ARG_ID_CYCLEWS_UP:
3491                         if (a.id < workspace_limit - 1)
3492                                 a.id++;
3493                         else
3494                                 a.id = 0;
3495                         break;
3496                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3497                         cycle_all = 1;
3498                         /* FALLTHROUGH */
3499                 case SWM_ARG_ID_CYCLEWS_DOWN:
3500                         if (a.id > 0)
3501                                 a.id--;
3502                         else
3503                                 a.id = workspace_limit - 1;
3504                         break;
3505                 default:
3506                         return;
3507                 };
3508
3509                 if (!cycle_all &&
3510                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3511                         continue;
3512                 if (!cycle_visible && s->ws[a.id].r != NULL)
3513                         continue;
3514
3515                 switchws(r, &a);
3516         } while (a.id != r->ws->idx);
3517 }
3518
3519 void
3520 priorws(struct swm_region *r, union arg *args)
3521 {
3522         union arg               a;
3523
3524         (void)args;
3525
3526         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3527             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3528
3529         if (r->ws_prior == NULL)
3530                 return;
3531
3532         a.id = r->ws_prior->idx;
3533         switchws(r, &a);
3534 }
3535
3536 void
3537 focusrg(struct swm_region *r, union arg *args)
3538 {
3539         int                     ridx = args->id, i, num_screens;
3540         struct swm_region       *rr = NULL;
3541
3542         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3543         /* do nothing if we don't have more than one screen */
3544         if (!(num_screens > 1 || outputs > 1))
3545                 return;
3546
3547         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3548
3549         rr = TAILQ_FIRST(&r->s->rl);
3550         for (i = 0; i < ridx; ++i)
3551                 rr = TAILQ_NEXT(rr, entry);
3552
3553         if (rr == NULL)
3554                 return;
3555
3556         focus_region(rr);
3557         focus_flush();
3558 }
3559
3560 void
3561 cyclerg(struct swm_region *r, union arg *args)
3562 {
3563         struct swm_region       *rr = NULL;
3564         int                     i, num_screens;
3565
3566         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3567         /* do nothing if we don't have more than one screen */
3568         if (!(num_screens > 1 || outputs > 1))
3569                 return;
3570
3571         i = r->s->idx;
3572         switch (args->id) {
3573         case SWM_ARG_ID_CYCLERG_UP:
3574                 rr = TAILQ_NEXT(r, entry);
3575                 if (rr == NULL)
3576                         rr = TAILQ_FIRST(&screens[i].rl);
3577                 break;
3578         case SWM_ARG_ID_CYCLERG_DOWN:
3579                 rr = TAILQ_PREV(r, swm_region_list, entry);
3580                 if (rr == NULL)
3581                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3582                 break;
3583         default:
3584                 return;
3585         };
3586         if (rr == NULL)
3587                 return;
3588
3589         focus_region(rr);
3590         focus_flush();
3591 }
3592
3593 void
3594 sort_windows(struct ws_win_list *wl)
3595 {
3596         struct ws_win           *win, *parent, *nxt;
3597
3598         if (wl == NULL)
3599                 return;
3600
3601         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3602                 nxt = TAILQ_NEXT(win, entry);
3603                 if (win->transient) {
3604                         parent = find_window(win->transient);
3605                         if (parent == NULL) {
3606                                 warnx("not possible bug");
3607                                 continue;
3608                         }
3609                         TAILQ_REMOVE(wl, win, entry);
3610                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3611                 }
3612         }
3613
3614 }
3615
3616 void
3617 swapwin(struct swm_region *r, union arg *args)
3618 {
3619         struct ws_win           *target, *source;
3620         struct ws_win           *cur_focus;
3621         struct ws_win_list      *wl;
3622
3623         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3624             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3625
3626         cur_focus = r->ws->focus;
3627         if (cur_focus == NULL)
3628                 return;
3629
3630         source = cur_focus;
3631         wl = &source->ws->winlist;
3632
3633         switch (args->id) {
3634         case SWM_ARG_ID_SWAPPREV:
3635                 if (source->transient)
3636                         source = find_window(source->transient);
3637                 target = TAILQ_PREV(source, ws_win_list, entry);
3638                 if (target && target->transient)
3639                         target = find_window(target->transient);
3640                 TAILQ_REMOVE(wl, source, entry);
3641                 if (target == NULL)
3642                         TAILQ_INSERT_TAIL(wl, source, entry);
3643                 else
3644                         TAILQ_INSERT_BEFORE(target, source, entry);
3645                 break;
3646         case SWM_ARG_ID_SWAPNEXT:
3647                 target = TAILQ_NEXT(source, entry);
3648                 /* move the parent and let the sort handle the move */
3649                 if (source->transient)
3650                         source = find_window(source->transient);
3651                 TAILQ_REMOVE(wl, source, entry);
3652                 if (target == NULL)
3653                         TAILQ_INSERT_HEAD(wl, source, entry);
3654                 else
3655                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3656                 break;
3657         case SWM_ARG_ID_SWAPMAIN:
3658                 target = TAILQ_FIRST(wl);
3659                 if (target == source) {
3660                         if (source->ws->focus_prev != NULL &&
3661                             source->ws->focus_prev != target)
3662                                 source = source->ws->focus_prev;
3663                         else
3664                                 return;
3665                 }
3666                 if (target == NULL || source == NULL)
3667                         return;
3668                 source->ws->focus_prev = target;
3669                 TAILQ_REMOVE(wl, target, entry);
3670                 TAILQ_INSERT_BEFORE(source, target, entry);
3671                 TAILQ_REMOVE(wl, source, entry);
3672                 TAILQ_INSERT_HEAD(wl, source, entry);
3673                 break;
3674         case SWM_ARG_ID_MOVELAST:
3675                 TAILQ_REMOVE(wl, source, entry);
3676                 TAILQ_INSERT_TAIL(wl, source, entry);
3677                 break;
3678         default:
3679                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3680                 return;
3681         }
3682
3683         sort_windows(wl);
3684
3685         stack();
3686
3687         focus_flush();
3688 }
3689
3690 struct ws_win *
3691 get_focus_prev(struct ws_win *win)
3692 {
3693         struct ws_win           *winfocus = NULL;
3694         struct ws_win           *cur_focus = NULL;
3695         struct ws_win_list      *wl = NULL;
3696         struct workspace        *ws = NULL;
3697
3698         if (!(win && win->ws))
3699                 return NULL;
3700
3701         ws = win->ws;
3702         wl = &ws->winlist;
3703         cur_focus = ws->focus;
3704
3705         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3706             WINID(win), WINID(cur_focus));
3707
3708         /* pickle, just focus on whatever */
3709         if (cur_focus == NULL) {
3710                 /* use prev_focus if valid */
3711                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3712                     find_window(WINID(ws->focus_prev)))
3713                         winfocus = ws->focus_prev;
3714                 goto done;
3715         }
3716
3717         /* if transient focus on parent */
3718         if (cur_focus->transient) {
3719                 winfocus = find_window(cur_focus->transient);
3720                 goto done;
3721         }
3722
3723         /* if in max_stack try harder */
3724         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3725             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3726                 if (cur_focus != ws->focus_prev)
3727                         winfocus = ws->focus_prev;
3728                 else
3729                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3730                 if (winfocus)
3731                         goto done;
3732         }
3733
3734         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3735
3736         if (winfocus == NULL || winfocus == win) {
3737                 switch (focus_close) {
3738                 case SWM_STACK_BOTTOM:
3739                         TAILQ_FOREACH(winfocus, wl, entry)
3740                                 if (!winfocus->iconic && winfocus != cur_focus)
3741                                         break;
3742                         break;
3743                 case SWM_STACK_TOP:
3744                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3745                                 if (!winfocus->iconic && winfocus != cur_focus)
3746                                         break;
3747                         break;
3748                 case SWM_STACK_ABOVE:
3749                         winfocus = TAILQ_NEXT(cur_focus, entry);
3750                         while (winfocus && winfocus->iconic)
3751                                 winfocus = TAILQ_NEXT(winfocus, entry);
3752
3753                         if (winfocus == NULL) {
3754                                 if (focus_close_wrap) {
3755                                         TAILQ_FOREACH(winfocus, wl, entry)
3756                                                 if (!winfocus->iconic &&
3757                                                     winfocus != cur_focus)
3758                                                         break;
3759                                 } else {
3760                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3761                                             ws_win_list, entry)
3762                                                 if (!winfocus->iconic &&
3763                                                     winfocus != cur_focus)
3764                                                         break;
3765                                 }
3766                         }
3767                         break;
3768                 case SWM_STACK_BELOW:
3769                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3770                         while (winfocus && winfocus->iconic)
3771                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3772                                     entry);
3773
3774                         if (winfocus == NULL) {
3775                                 if (focus_close_wrap) {
3776                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3777                                             ws_win_list, entry)
3778                                                 if (!winfocus->iconic &&
3779                                                     winfocus != cur_focus)
3780                                                         break;
3781                                 } else {
3782                                         TAILQ_FOREACH(winfocus, wl, entry)
3783                                                 if (!winfocus->iconic &&
3784                                                     winfocus != cur_focus)
3785                                                         break;
3786                                 }
3787                         }
3788                         break;
3789                 }
3790         }
3791 done:
3792         if (winfocus == NULL ||
3793             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3794                 if (focus_default == SWM_STACK_TOP) {
3795                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3796                                 if (!winfocus->iconic && winfocus != cur_focus)
3797                                         break;
3798                 } else {
3799                         TAILQ_FOREACH(winfocus, wl, entry)
3800                                 if (!winfocus->iconic && winfocus != cur_focus)
3801                                         break;
3802                 }
3803         }
3804
3805         kill_refs(win);
3806
3807         return get_focus_magic(winfocus);
3808 }
3809
3810 struct ws_win *
3811 get_region_focus(struct swm_region *r)
3812 {
3813         struct ws_win           *winfocus = NULL;
3814
3815         if (!(r && r->ws))
3816                 return NULL;
3817
3818         if (r->ws->focus && !r->ws->focus->iconic)
3819                 winfocus = r->ws->focus;
3820         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3821                 winfocus = r->ws->focus_prev;
3822         else
3823                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3824                         if (!winfocus->iconic)
3825                                 break;
3826
3827         return get_focus_magic(winfocus);
3828 }
3829
3830 void
3831 focus(struct swm_region *r, union arg *args)
3832 {
3833         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3834         struct ws_win_list      *wl = NULL;
3835         struct workspace        *ws = NULL;
3836         int                     all_iconics;
3837
3838         if (!(r && r->ws))
3839                 return;
3840
3841         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3842
3843         if ((cur_focus = r->ws->focus) == NULL)
3844                 return;
3845         ws = r->ws;
3846         wl = &ws->winlist;
3847         if (TAILQ_EMPTY(wl))
3848                 return;
3849         /* make sure there is at least one uniconified window */
3850         all_iconics = 1;
3851         TAILQ_FOREACH(winfocus, wl, entry)
3852                 if (!winfocus->iconic) {
3853                         all_iconics = 0;
3854                         break;
3855                 }
3856         if (all_iconics)
3857                 return;
3858
3859         switch (args->id) {
3860         case SWM_ARG_ID_FOCUSPREV:
3861                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3862                 if (head == NULL)
3863                         head = TAILQ_LAST(wl, ws_win_list);
3864                 winfocus = head;
3865                 if (WINID(winfocus) == cur_focus->transient) {
3866                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3867                         if (head == NULL)
3868                                 head = TAILQ_LAST(wl, ws_win_list);
3869                         winfocus = head;
3870                 }
3871
3872                 /* skip iconics */
3873                 if (winfocus && winfocus->iconic) {
3874                         while (winfocus != cur_focus) {
3875                                 if (winfocus == NULL)
3876                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3877                                 if (!winfocus->iconic)
3878                                         break;
3879                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3880                                     entry);
3881                         }
3882                 }
3883                 break;
3884
3885         case SWM_ARG_ID_FOCUSNEXT:
3886                 head = TAILQ_NEXT(cur_focus, entry);
3887                 if (head == NULL)
3888                         head = TAILQ_FIRST(wl);
3889                 winfocus = head;
3890
3891                 /* skip iconics */
3892                 if (winfocus && winfocus->iconic) {
3893                         while (winfocus != cur_focus) {
3894                                 if (winfocus == NULL)
3895                                         winfocus = TAILQ_FIRST(wl);
3896                                 if (!winfocus->iconic)
3897                                         break;
3898                                 winfocus = TAILQ_NEXT(winfocus, entry);
3899                         }
3900                 }
3901                 break;
3902
3903         case SWM_ARG_ID_FOCUSMAIN:
3904                 winfocus = TAILQ_FIRST(wl);
3905                 if (winfocus == cur_focus)
3906                         winfocus = cur_focus->ws->focus_prev;
3907                 break;
3908
3909         default:
3910                 return;
3911         }
3912
3913         focus_win(get_focus_magic(winfocus));
3914
3915         focus_flush();
3916 }
3917
3918 void
3919 cycle_layout(struct swm_region *r, union arg *args)
3920 {
3921         struct workspace        *ws = r->ws;
3922
3923         /* suppress unused warning since var is needed */
3924         (void)args;
3925
3926         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3927
3928         ws->cur_layout++;
3929         if (ws->cur_layout->l_stack == NULL)
3930                 ws->cur_layout = &layouts[0];
3931
3932         stack();
3933         bar_draw();
3934
3935         focus_win(get_region_focus(r));
3936
3937         focus_flush();
3938 }
3939
3940 void
3941 stack_config(struct swm_region *r, union arg *args)
3942 {
3943         struct workspace        *ws = r->ws;
3944
3945         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3946             args->id, ws->idx);
3947
3948         if (ws->cur_layout->l_config != NULL)
3949                 ws->cur_layout->l_config(ws, args->id);
3950
3951         if (args->id != SWM_ARG_ID_STACKINIT)
3952                 stack();
3953         bar_draw();
3954
3955         focus_flush();
3956 }
3957
3958 void
3959 stack(void) {
3960         struct swm_geometry     g;
3961         struct swm_region       *r;
3962         int                     i, num_screens;
3963 #ifdef SWM_DEBUG
3964         int j;
3965 #endif
3966
3967         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3968
3969         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3970         for (i = 0; i < num_screens; i++) {
3971 #ifdef SWM_DEBUG
3972                 j = 0;
3973 #endif
3974                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3975                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3976                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3977
3978                         /* Adjust stack area for region bar and padding. */
3979                         g = r->g;
3980                         g.x += region_padding;
3981                         g.y += region_padding;
3982                         g.w -= 2 * border_width + 2 * region_padding;
3983                         g.h -= 2 * border_width + 2 * region_padding;
3984                         if (bar_enabled && r->ws->bar_enabled) {
3985                                 if (!bar_at_bottom)
3986                                         g.y += bar_height;
3987                                 g.h -= bar_height;
3988                         }
3989                         r->ws->cur_layout->l_stack(r->ws, &g);
3990                         r->ws->cur_layout->l_string(r->ws);
3991                         /* save r so we can track region changes */
3992                         r->ws->old_r = r;
3993                 }
3994         }
3995         if (font_adjusted)
3996                 font_adjusted--;
3997
3998         DNPRINTF(SWM_D_STACK, "stack: end\n");
3999 }
4000
4001 void
4002 store_float_geom(struct ws_win *win, struct swm_region *r)
4003 {
4004         if (win == NULL || r == NULL)
4005                 return;
4006
4007         /* retain window geom and region geom */
4008         win->g_float = win->g;
4009         win->g_float.x -= X(r);
4010         win->g_float.y -= Y(r);
4011         win->g_floatvalid = 1;
4012         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4013             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4014             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4015             win->g_float.w, win->g_float.h);
4016 }
4017
4018 void
4019 load_float_geom(struct ws_win *win, struct swm_region *r)
4020 {
4021         if (win == NULL || r == NULL)
4022                 return;
4023
4024         if (win->g_floatvalid) {
4025                 win->g = win->g_float;
4026                 X(win) += X(r);
4027                 Y(win) += Y(r);
4028                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4029                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4030                     HEIGHT(win));
4031         } else {
4032                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4033                     "is not set.\n", win->id);
4034         }
4035 }
4036
4037 void
4038 stack_floater(struct ws_win *win, struct swm_region *r)
4039 {
4040         if (win == NULL)
4041                 return;
4042
4043         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4044
4045         /*
4046          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4047          * geom on ws switches or return from max mode
4048          */
4049         if (win->floatmaxed || (r != r->ws->old_r &&
4050             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4051                 /* update geometry for the new region */
4052                 load_float_geom(win, r);
4053         }
4054
4055         win->floatmaxed = 0;
4056
4057         /*
4058          * if set to fullscreen mode, configure window to maximum size.
4059          */
4060         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4061                 if (!win->g_floatvalid)
4062                         store_float_geom(win, win->ws->r);
4063
4064                 win->g = r->g;
4065         }
4066
4067         /*
4068          * remove border on fullscreen floater when in fullscreen mode or when
4069          * the quirk is present.
4070          */
4071         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4072             ((win->quirks & SWM_Q_FULLSCREEN) &&
4073              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4074                 if (win->bordered) {
4075                         win->bordered = 0;
4076                         X(win) += border_width;
4077                         Y(win) += border_width;
4078                 }
4079         } else if (!win->bordered) {
4080                 win->bordered = 1;
4081                 X(win) -= border_width;
4082                 Y(win) -= border_width;
4083         }
4084
4085         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4086                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4087                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4088         }
4089
4090         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4091             !(win->quirks & SWM_Q_ANYWHERE)) {
4092                 /*
4093                  * floaters and transients are auto-centred unless moved,
4094                  * resized or ANYWHERE quirk is set.
4095                  */
4096                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4097                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4098
4099                 store_float_geom(win, r);
4100         }
4101
4102         /* keep window within region bounds */
4103         constrain_window(win, r, 0);
4104
4105         update_window(win);
4106 }
4107
4108 /*
4109  * Send keystrokes to terminal to decrease/increase the font size as the
4110  * window size changes.
4111  */
4112 void
4113 adjust_font(struct ws_win *win)
4114 {
4115         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4116             win->floating || win->transient)
4117                 return;
4118
4119         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4120             WIDTH(win) / win->sh.width_inc < term_width &&
4121             win->font_steps < SWM_MAX_FONT_STEPS) {
4122                 win->font_size_boundary[win->font_steps] =
4123                     (win->sh.width_inc * term_width) + win->sh.base_width;
4124                 win->font_steps++;
4125                 font_adjusted++;
4126                 win->last_inc = win->sh.width_inc;
4127                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4128         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4129             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4130                 win->font_steps--;
4131                 font_adjusted++;
4132                 win->last_inc = win->sh.width_inc;
4133                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4134         }
4135 }
4136
4137 #define SWAPXY(g)       do {                            \
4138         int tmp;                                        \
4139         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4140         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4141 } while (0)
4142 void
4143 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4144 {
4145         struct swm_geometry     win_g, r_g = *g;
4146         struct ws_win           *win, *fs_win = NULL;
4147         int                     i, j, s, stacks;
4148         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4149         int                     hrh, extra = 0, h_slice, last_h = 0;
4150         int                     split, colno, winno, mwin, msize, mscale;
4151         int                     remain, missing, v_slice, reconfigure = 0;
4152         int                     bordered = 1;
4153
4154         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4155             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4156
4157         winno = count_win(ws, 0);
4158         if (winno == 0 && count_win(ws, 1) == 0)
4159                 return;
4160
4161         TAILQ_FOREACH(win, &ws->winlist, entry)
4162                 if (!win->transient && !win->floating && !win->iconic)
4163                         break;
4164
4165         if (win == NULL)
4166                 goto notiles;
4167
4168         if (rot) {
4169                 w_inc = win->sh.width_inc;
4170                 w_base = win->sh.base_width;
4171                 mwin = ws->l_state.horizontal_mwin;
4172                 mscale = ws->l_state.horizontal_msize;
4173                 stacks = ws->l_state.horizontal_stacks;
4174                 SWAPXY(&r_g);
4175         } else {
4176                 w_inc = win->sh.height_inc;
4177                 w_base = win->sh.base_height;
4178                 mwin = ws->l_state.vertical_mwin;
4179                 mscale = ws->l_state.vertical_msize;
4180                 stacks = ws->l_state.vertical_stacks;
4181         }
4182         win_g = r_g;
4183
4184         if (stacks > winno - mwin)
4185                 stacks = winno - mwin;
4186         if (stacks < 1)
4187                 stacks = 1;
4188
4189         h_slice = r_g.h / SWM_H_SLICE;
4190         if (mwin && winno > mwin) {
4191                 v_slice = r_g.w / SWM_V_SLICE;
4192
4193                 split = mwin;
4194                 colno = split;
4195                 win_g.w = v_slice * mscale;
4196
4197                 if (w_inc > 1 && w_inc < v_slice) {
4198                         /* adjust for window's requested size increment */
4199                         remain = (win_g.w - w_base) % w_inc;
4200                         win_g.w -= remain;
4201                 }
4202
4203                 msize = win_g.w;
4204                 if (flip)
4205                         win_g.x += r_g.w - msize;
4206         } else {
4207                 msize = -2;
4208                 colno = split = winno / stacks;
4209                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4210                     2 * border_width) / stacks);
4211         }
4212         hrh = r_g.h / colno;
4213         extra = r_g.h - (colno * hrh);
4214         win_g.h = hrh - 2 * border_width;
4215
4216         /*  stack all the tiled windows */
4217         i = j = 0, s = stacks;
4218         TAILQ_FOREACH(win, &ws->winlist, entry) {
4219                 if (win->transient || win->floating || win->iconic)
4220                         continue;
4221
4222                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4223                         fs_win = win;
4224                         continue;
4225                 }
4226
4227                 if (split && i == split) {
4228                         colno = (winno - mwin) / stacks;
4229                         if (s <= (winno - mwin) % stacks)
4230                                 colno++;
4231                         split = split + colno;
4232                         hrh = (r_g.h / colno);
4233                         extra = r_g.h - (colno * hrh);
4234                         if (flip)
4235                                 win_g.x = r_g.x;
4236                         else
4237                                 win_g.x += win_g.w + 2 * border_width +
4238                                     tile_gap;
4239                         win_g.w = (r_g.w - msize -
4240                             (stacks * (2 * border_width + tile_gap))) / stacks;
4241                         if (s == 1)
4242                                 win_g.w += (r_g.w - msize -
4243                                     (stacks * (2 * border_width + tile_gap))) %
4244                                     stacks;
4245                         s--;
4246                         j = 0;
4247                 }
4248
4249                 win_g.h = hrh - 2 * border_width - tile_gap;
4250
4251                 if (rot) {
4252                         h_inc = win->sh.width_inc;
4253                         h_base = win->sh.base_width;
4254                 } else {
4255                         h_inc = win->sh.height_inc;
4256                         h_base = win->sh.base_height;
4257                 }
4258
4259                 if (j == colno - 1) {
4260                         win_g.h = hrh + extra;
4261                 } else if (h_inc > 1 && h_inc < h_slice) {
4262                         /* adjust for window's requested size increment */
4263                         remain = (win_g.h - h_base) % h_inc;
4264                         missing = h_inc - remain;
4265
4266                         if (missing <= extra || j == 0) {
4267                                 extra -= missing;
4268                                 win_g.h += missing;
4269                         } else {
4270                                 win_g.h -= remain;
4271                                 extra += remain;
4272                         }
4273                 }
4274
4275                 if (j == 0)
4276                         win_g.y = r_g.y;
4277                 else
4278                         win_g.y += last_h + 2 * border_width + tile_gap;
4279
4280                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4281                     winno == 1){
4282                         bordered = 0;
4283                         win_g.w += 2 * border_width;
4284                         win_g.h += 2 * border_width;
4285                 } else {
4286                         bordered = 1;
4287                 }
4288
4289                 if (rot) {
4290                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4291                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4292                                 reconfigure = 1;
4293                                 X(win) = win_g.y;
4294                                 Y(win) = win_g.x;
4295                                 WIDTH(win) = win_g.h;
4296                                 HEIGHT(win) = win_g.w;
4297                         }
4298                 } else {
4299                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4300                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4301                                 reconfigure = 1;
4302                                 X(win) = win_g.x;
4303                                 Y(win) = win_g.y;
4304                                 WIDTH(win) = win_g.w;
4305                                 HEIGHT(win) = win_g.h;
4306                         }
4307                 }
4308
4309                 if (bordered != win->bordered) {
4310                         reconfigure = 1;
4311                         win->bordered = bordered;
4312                 }
4313
4314                 if (reconfigure) {
4315                         adjust_font(win);
4316                         update_window(win);
4317                 }
4318
4319                 map_window(win);
4320
4321                 last_h = win_g.h;
4322                 i++;
4323                 j++;
4324         }
4325
4326 notiles:
4327         /* now, stack all the floaters and transients */
4328         TAILQ_FOREACH(win, &ws->winlist, entry) {
4329                 if (!win->transient && !win->floating)
4330                         continue;
4331                 if (win->iconic)
4332                         continue;
4333                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4334                         fs_win = win;
4335                         continue;
4336                 }
4337
4338                 stack_floater(win, ws->r);
4339                 map_window(win);
4340         }
4341
4342         /* Make sure fs_win is stacked last so it's on top. */
4343         if (fs_win) {
4344                 stack_floater(fs_win, ws->r);
4345                 map_window(fs_win);
4346         }
4347 }
4348
4349 void
4350 vertical_config(struct workspace *ws, int id)
4351 {
4352         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4353             id, ws->idx);
4354
4355         switch (id) {
4356         case SWM_ARG_ID_STACKRESET:
4357         case SWM_ARG_ID_STACKINIT:
4358                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4359                 ws->l_state.vertical_mwin = 1;
4360                 ws->l_state.vertical_stacks = 1;
4361                 break;
4362         case SWM_ARG_ID_MASTERSHRINK:
4363                 if (ws->l_state.vertical_msize > 1)
4364                         ws->l_state.vertical_msize--;
4365                 break;
4366         case SWM_ARG_ID_MASTERGROW:
4367                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4368                         ws->l_state.vertical_msize++;
4369                 break;
4370         case SWM_ARG_ID_MASTERADD:
4371                 ws->l_state.vertical_mwin++;
4372                 break;
4373         case SWM_ARG_ID_MASTERDEL:
4374                 if (ws->l_state.vertical_mwin > 0)
4375                         ws->l_state.vertical_mwin--;
4376                 break;
4377         case SWM_ARG_ID_STACKINC:
4378                 ws->l_state.vertical_stacks++;
4379                 break;
4380         case SWM_ARG_ID_STACKDEC:
4381                 if (ws->l_state.vertical_stacks > 1)
4382                         ws->l_state.vertical_stacks--;
4383                 break;
4384         case SWM_ARG_ID_FLIPLAYOUT:
4385                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4386                 break;
4387         default:
4388                 return;
4389         }
4390 }
4391
4392 void
4393 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4394 {
4395         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4396
4397         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4398 }
4399
4400 void
4401 horizontal_config(struct workspace *ws, int id)
4402 {
4403         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4404
4405         switch (id) {
4406         case SWM_ARG_ID_STACKRESET:
4407         case SWM_ARG_ID_STACKINIT:
4408                 ws->l_state.horizontal_mwin = 1;
4409                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4410                 ws->l_state.horizontal_stacks = 1;
4411                 break;
4412         case SWM_ARG_ID_MASTERSHRINK:
4413                 if (ws->l_state.horizontal_msize > 1)
4414                         ws->l_state.horizontal_msize--;
4415                 break;
4416         case SWM_ARG_ID_MASTERGROW:
4417                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4418                         ws->l_state.horizontal_msize++;
4419                 break;
4420         case SWM_ARG_ID_MASTERADD:
4421                 ws->l_state.horizontal_mwin++;
4422                 break;
4423         case SWM_ARG_ID_MASTERDEL:
4424                 if (ws->l_state.horizontal_mwin > 0)
4425                         ws->l_state.horizontal_mwin--;
4426                 break;
4427         case SWM_ARG_ID_STACKINC:
4428                 ws->l_state.horizontal_stacks++;
4429                 break;
4430         case SWM_ARG_ID_STACKDEC:
4431                 if (ws->l_state.horizontal_stacks > 1)
4432                         ws->l_state.horizontal_stacks--;
4433                 break;
4434         case SWM_ARG_ID_FLIPLAYOUT:
4435                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4436                 break;
4437         default:
4438                 return;
4439         }
4440 }
4441
4442 void
4443 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4444 {
4445         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4446
4447         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4448 }
4449
4450 /* fullscreen view */
4451 void
4452 max_stack(struct workspace *ws, struct swm_geometry *g)
4453 {
4454         struct swm_geometry     gg = *g;
4455         struct ws_win           *w, *win = NULL, *parent = NULL;
4456         int                     winno;
4457
4458         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4459
4460         if (ws == NULL)
4461                 return;
4462
4463         winno = count_win(ws, 0);
4464         if (winno == 0 && count_win(ws, 1) == 0)
4465                 return;
4466
4467         /* Figure out which top level window should be visible. */
4468         if (ws->focus_pending)
4469                 win = ws->focus_pending;
4470         else if (ws->focus)
4471                 win = ws->focus;
4472         else
4473                 win = TAILQ_FIRST(&ws->winlist);
4474
4475         if (win->transient)
4476                 parent = find_window(win->transient);
4477
4478         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4479
4480         /* maximize all top level windows */
4481         TAILQ_FOREACH(w, &ws->winlist, entry) {
4482                 if (w->transient || w->iconic)
4483                         continue;
4484
4485                 if (!w->mapped && w != win)
4486                         map_window(w);
4487
4488                 if (w->floating && !w->floatmaxed) {
4489                         /*
4490                          * retain geometry for retrieval on exit from
4491                          * max_stack mode
4492                          */
4493                         store_float_geom(w, ws->r);
4494                         w->floatmaxed = 1;
4495                 }
4496
4497                 /* only reconfigure if necessary */
4498                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4499                     HEIGHT(w) != gg.h) {
4500                         w->g = gg;
4501                         if (bar_enabled && ws->bar_enabled){
4502                                 w->bordered = 1;
4503                         } else {
4504                                 w->bordered = 0;
4505                                 WIDTH(w) += 2 * border_width;
4506                                 HEIGHT(w) += 2 * border_width;
4507                         }
4508
4509                         update_window(w);
4510                 }
4511         }
4512
4513         /* If a parent exists, map/raise it first. */
4514         if (parent) {
4515                 map_window(parent);
4516
4517                 /* Map siblings next. */
4518                 TAILQ_FOREACH(w, &ws->winlist, entry)
4519                         if (w != win && !w->iconic &&
4520                             w->transient == parent->id) {
4521                                 stack_floater(w, ws->r);
4522                                 map_window(w);
4523                         }
4524         }
4525
4526         /* Map/raise focused window. */
4527         map_window(win);
4528
4529         /* Finally, map/raise children of focus window. */
4530         TAILQ_FOREACH(w, &ws->winlist, entry)
4531                 if (w->transient == win->id && !w->iconic) {
4532                         stack_floater(w, ws->r);
4533                         map_window(w);
4534                 }
4535 }
4536
4537 void
4538 send_to_rg(struct swm_region *r, union arg *args)
4539 {
4540         int                     ridx = args->id, i, num_screens;
4541         struct swm_region       *rr = NULL;
4542         union arg               a;
4543
4544         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4545         /* do nothing if we don't have more than one screen */
4546         if (!(num_screens > 1 || outputs > 1))
4547                 return;
4548
4549         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4550
4551         rr = TAILQ_FIRST(&r->s->rl);
4552         for (i = 0; i < ridx; ++i)
4553                 rr = TAILQ_NEXT(rr, entry);
4554
4555         if (rr == NULL)
4556                 return;
4557
4558         a.id = rr->ws->idx;
4559
4560         send_to_ws(r, &a);
4561 }
4562
4563 void
4564 send_to_ws(struct swm_region *r, union arg *args)
4565 {
4566         int                     wsid = args->id;
4567         struct ws_win           *win = NULL, *parent;
4568         struct workspace        *ws, *nws, *pws;
4569         char                    ws_idx_str[SWM_PROPLEN];
4570
4571         if (wsid >= workspace_limit)
4572                 return;
4573
4574         if (r && r->ws && r->ws->focus)
4575                 win = r->ws->focus;
4576         else
4577                 return;
4578
4579         if (win->ws->idx == wsid)
4580                 return;
4581
4582         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4583             win->ws->idx, wsid);
4584
4585         ws = win->ws;
4586         nws = &win->s->ws[wsid];
4587
4588         /* Update the window's workspace property: _SWM_WS */
4589         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4590                 if (focus_mode != SWM_FOCUS_FOLLOW)
4591                         ws->focus_pending = get_focus_prev(win);
4592
4593                 /* Move the parent if this is a transient window. */
4594                 if (win->transient) {
4595                         parent = find_window(win->transient);
4596                         if (parent) {
4597                                 pws = parent->ws;
4598                                 /* Set new focus in parent's ws if needed. */
4599                                 if (pws->focus == parent) {
4600                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4601                                                 pws->focus_pending =
4602                                                     get_focus_prev(parent);
4603
4604                                         unfocus_win(parent);
4605
4606                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4607                                                 pws->focus = pws->focus_pending;
4608
4609                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4610                                                 pws->focus_pending = NULL;
4611                                 }
4612
4613                                 /* Don't unmap parent if new ws is visible */
4614                                 if (nws->r == NULL)
4615                                         unmap_window(parent);
4616
4617                                 /* Transfer */
4618                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4619                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4620                                 parent->ws = nws;
4621
4622                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4623                                     "property: _SWM_WS: %s\n", ws_idx_str);
4624                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4625                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4626                                     strlen(ws_idx_str), ws_idx_str);
4627                         }
4628                 }
4629
4630                 unfocus_win(win);
4631
4632                 /* Don't unmap if new ws is visible */
4633                 if (nws->r == NULL)
4634                         unmap_window(win);
4635
4636                 /* Transfer */
4637                 TAILQ_REMOVE(&ws->winlist, win, entry);
4638                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4639                 win->ws = nws;
4640
4641                 /* Set focus on new ws. */
4642                 unfocus_win(nws->focus);
4643                 nws->focus = win;
4644
4645                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4646                     ws_idx_str);
4647                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4648                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4649                     ws_idx_str);
4650
4651                 /* Restack and set new focus. */
4652                 stack();
4653
4654                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4655                         focus_win(ws->focus_pending);
4656                         ws->focus_pending = NULL;
4657                 }
4658
4659                 focus_flush();
4660         }
4661
4662         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4663 }
4664
4665 void
4666 pressbutton(struct swm_region *r, union arg *args)
4667 {
4668         /* suppress unused warning since var is needed */
4669         (void)r;
4670
4671         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4672             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4673         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4674             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4675 }
4676
4677 void
4678 raise_toggle(struct swm_region *r, union arg *args)
4679 {
4680         /* suppress unused warning since var is needed */
4681         (void)args;
4682
4683         if (r == NULL || r->ws == NULL)
4684                 return;
4685
4686         r->ws->always_raise = !r->ws->always_raise;
4687
4688         /* bring floaters back to top */
4689         if (!r->ws->always_raise)
4690                 stack();
4691
4692         focus_flush();
4693 }
4694
4695 void
4696 iconify(struct swm_region *r, union arg *args)
4697 {
4698         /* suppress unused warning since var is needed */
4699         (void)args;
4700
4701         if (r->ws->focus == NULL)
4702                 return;
4703
4704         set_swm_iconic(r->ws->focus, 1);
4705
4706         xcb_flush(conn);
4707 }
4708
4709 char *
4710 get_win_name(xcb_window_t win)
4711 {
4712         char                            *name = NULL;
4713         xcb_get_property_cookie_t       c;
4714         xcb_get_property_reply_t        *r;
4715
4716         /* First try _NET_WM_NAME for UTF-8. */
4717         c = xcb_get_property(conn, 0, win, a_netwmname,
4718             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4719         r = xcb_get_property_reply(conn, c, NULL);
4720
4721         if (r) {
4722                 if (r->type == XCB_NONE) {
4723                         free(r);
4724                         /* Use WM_NAME instead; no UTF-8. */
4725                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4726                                 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4727                         r = xcb_get_property_reply(conn, c, NULL);
4728
4729                         if (!r)
4730                                 return (NULL);
4731                         if (r->type == XCB_NONE) {
4732                                 free(r);
4733                                 return (NULL);
4734                         }
4735                 }
4736                 if (r->length > 0)
4737                         name = strndup(xcb_get_property_value(r),
4738                                    xcb_get_property_value_length(r));
4739
4740                 free(r);
4741         }
4742
4743         return (name);
4744 }
4745
4746 void
4747 uniconify(struct swm_region *r, union arg *args)
4748 {
4749         struct ws_win           *win;
4750         FILE                    *lfile;
4751         char                    *name;
4752         int                     count = 0;
4753
4754         DNPRINTF(SWM_D_MISC, "uniconify\n");
4755
4756         if (r == NULL || r->ws == NULL)
4757                 return;
4758
4759         /* make sure we have anything to uniconify */
4760         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4761                 if (win->ws == NULL)
4762                         continue; /* should never happen */
4763                 if (!win->iconic)
4764                         continue;
4765                 count++;
4766         }
4767         if (count == 0)
4768                 return;
4769
4770         search_r = r;
4771         search_resp_action = SWM_SEARCH_UNICONIFY;
4772
4773         spawn_select(r, args, "search", &searchpid);
4774
4775         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4776                 return;
4777
4778         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4779                 if (win->ws == NULL)
4780                         continue; /* should never happen */
4781                 if (!win->iconic)
4782                         continue;
4783
4784                 name = get_win_name(win->id);
4785                 if (name == NULL)
4786                         continue;
4787                 fprintf(lfile, "%s.%u\n", name, win->id);
4788                 free(name);
4789         }
4790
4791         fclose(lfile);
4792 }
4793
4794 void
4795 name_workspace(struct swm_region *r, union arg *args)
4796 {
4797         FILE                    *lfile;
4798
4799         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4800
4801         if (r == NULL)
4802                 return;
4803
4804         search_r = r;
4805         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4806
4807         spawn_select(r, args, "name_workspace", &searchpid);
4808
4809         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4810                 return;
4811
4812         fprintf(lfile, "%s", "");
4813         fclose(lfile);
4814 }
4815
4816 void
4817 search_workspace(struct swm_region *r, union arg *args)
4818 {
4819         int                     i;
4820         struct workspace        *ws;
4821         FILE                    *lfile;
4822
4823         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4824
4825         if (r == NULL)
4826                 return;
4827
4828         search_r = r;
4829         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4830
4831         spawn_select(r, args, "search", &searchpid);
4832
4833         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4834                 return;
4835
4836         for (i = 0; i < workspace_limit; i++) {
4837                 ws = &r->s->ws[i];
4838                 if (ws == NULL)
4839                         continue;
4840                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4841                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4842         }
4843
4844         fclose(lfile);
4845 }
4846
4847 void
4848 search_win_cleanup(void)
4849 {
4850         struct search_window    *sw = NULL;
4851
4852         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4853                 xcb_destroy_window(conn, sw->indicator);
4854                 TAILQ_REMOVE(&search_wl, sw, entry);
4855                 free(sw);
4856         }
4857 }
4858
4859 void
4860 search_win(struct swm_region *r, union arg *args)
4861 {
4862         struct ws_win           *win = NULL;
4863         struct search_window    *sw = NULL;
4864         xcb_window_t            w;
4865         uint32_t                wa[2];
4866         int                     i, width, height;
4867         char                    s[8];
4868         FILE                    *lfile;
4869         size_t                  len;
4870         XftDraw                 *draw;
4871         XGlyphInfo              info;
4872         GC                      l_draw;
4873         XGCValues               l_gcv;
4874         XRectangle              l_ibox, l_lbox;
4875
4876         DNPRINTF(SWM_D_MISC, "search_win\n");
4877
4878         search_r = r;
4879         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4880
4881         spawn_select(r, args, "search", &searchpid);
4882
4883         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4884                 return;
4885
4886         TAILQ_INIT(&search_wl);
4887
4888         i = 1;
4889         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4890                 if (win->iconic)
4891                         continue;
4892
4893                 sw = calloc(1, sizeof(struct search_window));
4894                 if (sw == NULL) {
4895                         warn("search_win: calloc");
4896                         fclose(lfile);
4897                         search_win_cleanup();
4898                         return;
4899                 }
4900                 sw->idx = i;
4901                 sw->win = win;
4902
4903                 snprintf(s, sizeof s, "%d", i);
4904                 len = strlen(s);
4905
4906                 w = xcb_generate_id(conn);
4907                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4908                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4909
4910                 if (bar_font_legacy) {
4911                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4912                         width = l_lbox.width + 4;
4913                         height = bar_fs_extents->max_logical_extent.height + 4;
4914                 } else {
4915                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4916                             &info);
4917                         width = info.width + 4;
4918                         height = bar_font->height + 4;
4919                 }
4920
4921                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4922                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4923                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4924                     XCB_CW_BORDER_PIXEL, wa);
4925
4926                 xcb_map_window(conn, w);
4927
4928                 sw->indicator = w;
4929                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4930
4931                 if (bar_font_legacy) {
4932                         l_gcv.graphics_exposures = 0;
4933                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4934
4935                         XSetForeground(display, l_draw,
4936                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4937
4938                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4939                             (bar_fs_extents->max_logical_extent.height -
4940                             l_lbox.height) / 2 - l_lbox.y, s, len);
4941
4942                         XFreeGC(display, l_draw);
4943                 } else {
4944
4945                         draw = XftDrawCreate(display, w,
4946                             DefaultVisual(display, r->s->idx),
4947                             DefaultColormap(display, r->s->idx));
4948
4949                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4950                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4951                             bar_font->descent, (FcChar8 *)s, len);
4952
4953                         XftDrawDestroy(draw);
4954                 }
4955
4956                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4957
4958                 fprintf(lfile, "%d\n", i);
4959                 i++;
4960         }
4961
4962         fclose(lfile);
4963
4964         xcb_flush(conn);
4965 }
4966
4967 void
4968 search_resp_uniconify(const char *resp, unsigned long len)
4969 {
4970         char                    *name;
4971         struct ws_win           *win;
4972         char                    *s;
4973
4974         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4975
4976         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4977                 if (!win->iconic)
4978                         continue;
4979                 name = get_win_name(win->id);
4980                 if (name == NULL)
4981                         continue;
4982                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4983                         free(name);
4984                         continue;
4985                 }
4986                 free(name);
4987                 if (strncmp(s, resp, len) == 0) {
4988                         /* XXX this should be a callback to generalize */
4989                         set_swm_iconic(win, 0);
4990                         free(s);
4991                         break;
4992                 }
4993                 free(s);
4994         }
4995 }
4996
4997 void
4998 search_resp_name_workspace(const char *resp, unsigned long len)
4999 {
5000         struct workspace        *ws;
5001
5002         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5003
5004         if (search_r->ws == NULL)
5005                 return;
5006         ws = search_r->ws;
5007
5008         if (ws->name) {
5009                 free(search_r->ws->name);
5010                 search_r->ws->name = NULL;
5011         }
5012
5013         if (len > 1) {
5014                 ws->name = strdup(resp);
5015                 if (ws->name == NULL) {
5016                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5017                             "strdup: %s", strerror(errno));
5018                         return;
5019                 }
5020         }
5021 }
5022
5023 void
5024 search_resp_search_workspace(const char *resp)
5025 {
5026         char                    *p, *q;
5027         int                     ws_idx;
5028         const char              *errstr;
5029         union arg               a;
5030
5031         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5032
5033         q = strdup(resp);
5034         if (!q) {
5035                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5036                     strerror(errno));
5037                 return;
5038         }
5039         p = strchr(q, ':');
5040         if (p != NULL)
5041                 *p = '\0';
5042         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5043         if (errstr) {
5044                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5045                     errstr, q);
5046                 free(q);
5047                 return;
5048         }
5049         free(q);
5050         a.id = ws_idx - 1;
5051         switchws(search_r, &a);
5052 }
5053
5054 void
5055 search_resp_search_window(const char *resp)
5056 {
5057         char                    *s;
5058         int                     idx;
5059         const char              *errstr;
5060         struct search_window    *sw;
5061
5062         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5063
5064         s = strdup(resp);
5065         if (!s) {
5066                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5067                     strerror(errno));
5068                 return;
5069         }
5070
5071         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5072         if (errstr) {
5073                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5074                     errstr, s);
5075                 free(s);
5076                 return;
5077         }
5078         free(s);
5079
5080         TAILQ_FOREACH(sw, &search_wl, entry)
5081                 if (idx == sw->idx) {
5082                         focus_win(sw->win);
5083                         break;
5084                 }
5085 }
5086
5087 #define MAX_RESP_LEN    1024
5088
5089 void
5090 search_do_resp(void)
5091 {
5092         ssize_t                 rbytes;
5093         char                    *resp;
5094         unsigned long           len;
5095
5096         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5097
5098         search_resp = 0;
5099         searchpid = 0;
5100
5101         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5102                 warn("search: calloc");
5103                 goto done;
5104         }
5105
5106         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5107         if (rbytes <= 0) {
5108                 warn("search: read error");
5109                 goto done;
5110         }
5111         resp[rbytes] = '\0';
5112
5113         /* XXX:
5114          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5115          * newline, so work around that by sanitizing the resp now.
5116          */
5117         resp[strcspn(resp, "\n")] = '\0';
5118         len = strlen(resp);
5119
5120         switch (search_resp_action) {
5121         case SWM_SEARCH_UNICONIFY:
5122                 search_resp_uniconify(resp, len);
5123                 break;
5124         case SWM_SEARCH_NAME_WORKSPACE:
5125                 search_resp_name_workspace(resp, len);
5126                 break;
5127         case SWM_SEARCH_SEARCH_WORKSPACE:
5128                 search_resp_search_workspace(resp);
5129                 break;
5130         case SWM_SEARCH_SEARCH_WINDOW:
5131                 search_resp_search_window(resp);
5132                 break;
5133         }
5134
5135 done:
5136         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5137                 search_win_cleanup();
5138
5139         search_resp_action = SWM_SEARCH_NONE;
5140         close(select_resp_pipe[0]);
5141         free(resp);
5142
5143         xcb_flush(conn);
5144 }
5145
5146 void
5147 wkill(struct swm_region *r, union arg *args)
5148 {
5149         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5150
5151         if (r->ws->focus == NULL)
5152                 return;
5153
5154         if (args->id == SWM_ARG_ID_KILLWINDOW)
5155                 xcb_kill_client(conn, r->ws->focus->id);
5156         else
5157                 if (r->ws->focus->can_delete)
5158                         client_msg(r->ws->focus, a_delete, 0);
5159
5160         focus_flush();
5161 }
5162
5163 int
5164 floating_toggle_win(struct ws_win *win)
5165 {
5166         struct swm_region       *r;
5167
5168         if (win == NULL)
5169                 return (0);
5170
5171         if (!win->ws->r)
5172                 return (0);
5173
5174         r = win->ws->r;
5175
5176         /* reject floating toggles in max stack mode */
5177         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5178                 return (0);
5179
5180         if (win->floating) {
5181                 if (!win->floatmaxed) {
5182                         /* retain position for refloat */
5183                         store_float_geom(win, r);
5184                 }
5185                 win->floating = 0;
5186         } else {
5187                 load_float_geom(win, r);
5188                 win->floating = 1;
5189         }
5190
5191         ewmh_update_actions(win);
5192
5193         return (1);
5194 }
5195
5196 void
5197 floating_toggle(struct swm_region *r, union arg *args)
5198 {
5199         struct ws_win           *win = r->ws->focus;
5200
5201         /* suppress unused warning since var is needed */
5202         (void)args;
5203
5204         if (win == NULL)
5205                 return;
5206
5207         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5208                 return;
5209
5210         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5211             _NET_WM_STATE_TOGGLE);
5212
5213         stack();
5214
5215         if (win == win->ws->focus)
5216                 focus_win(win);
5217
5218         focus_flush();
5219 }
5220
5221 void
5222 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
5223 {
5224         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
5225                 if (resizable)
5226                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
5227                 else
5228                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
5229         }
5230
5231         if (X(win) + BORDER(win) < X(r)) {
5232                 if (resizable)
5233                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5234
5235                 X(win) = X(r) - BORDER(win);
5236         }
5237
5238         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5239                 if (resizable)
5240                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5241                 else
5242                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5243         }
5244
5245         if (Y(win) + BORDER(win) < Y(r)) {
5246                 if (resizable)
5247                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5248
5249                 Y(win) = Y(r) - BORDER(win);
5250         }
5251
5252         if (resizable) {
5253                 if (WIDTH(win) < 1)
5254                         WIDTH(win) = 1;
5255                 if (HEIGHT(win) < 1)
5256                         HEIGHT(win) = 1;
5257         }
5258 }
5259
5260 void
5261 update_window(struct ws_win *win)
5262 {
5263         uint16_t        mask;
5264         uint32_t        wc[5];
5265
5266         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5267             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5268             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5269         wc[0] = X(win);
5270         wc[1] = Y(win);
5271         wc[2] = WIDTH(win);
5272         wc[3] = HEIGHT(win);
5273         wc[4] = BORDER(win);
5274
5275         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5276             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5277             wc[3], YESNO(win->bordered));
5278
5279         xcb_configure_window(conn, win->id, mask, wc);
5280 }
5281
5282 #define SWM_RESIZE_STEPS        (50)
5283
5284 void
5285 resize(struct ws_win *win, union arg *args)
5286 {
5287         xcb_timestamp_t         timestamp = 0;
5288         struct swm_region       *r = NULL;
5289         int                     resize_stp = 0;
5290         struct swm_geometry     g;
5291         int                     top = 0, left = 0, resizing;
5292         int                     dx, dy;
5293         xcb_cursor_t                    cursor;
5294         xcb_query_pointer_reply_t       *xpr;
5295         xcb_generic_event_t             *evt;
5296         xcb_motion_notify_event_t       *mne;
5297
5298         if (win == NULL)
5299                 return;
5300         r = win->ws->r;
5301
5302         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5303                 return;
5304
5305         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5306             "transient: 0x%x\n", win->id, YESNO(win->floating),
5307             win->transient);
5308
5309         if (!win->transient && !win->floating)
5310                 return;
5311
5312         /* reject resizes in max mode for floaters (transient ok) */
5313         if (win->floatmaxed)
5314                 return;
5315
5316         win->manual = 1;
5317         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5318             _NET_WM_STATE_ADD);
5319
5320         stack();
5321
5322         focus_flush();
5323
5324         switch (args->id) {
5325         case SWM_ARG_ID_WIDTHSHRINK:
5326                 WIDTH(win) -= SWM_RESIZE_STEPS;
5327                 resize_stp = 1;
5328                 break;
5329         case SWM_ARG_ID_WIDTHGROW:
5330                 WIDTH(win) += SWM_RESIZE_STEPS;
5331                 resize_stp = 1;
5332                 break;
5333         case SWM_ARG_ID_HEIGHTSHRINK:
5334                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5335                 resize_stp = 1;
5336                 break;
5337         case SWM_ARG_ID_HEIGHTGROW:
5338                 HEIGHT(win) += SWM_RESIZE_STEPS;
5339                 resize_stp = 1;
5340                 break;
5341         default:
5342                 break;
5343         }
5344         if (resize_stp) {
5345                 constrain_window(win, r, 1);
5346                 update_window(win);
5347                 store_float_geom(win,r);
5348                 return;
5349         }
5350
5351         /* get cursor offset from window root */
5352         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5353             NULL);
5354         if (!xpr)
5355                 return;
5356
5357         g = win->g;
5358
5359         if (xpr->win_x < WIDTH(win) / 2)
5360                 left = 1;
5361
5362         if (xpr->win_y < HEIGHT(win) / 2)
5363                 top = 1;
5364
5365         if (args->id == SWM_ARG_ID_CENTER)
5366                 cursor = cursors[XC_SIZING].cid;
5367         else if (top)
5368                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5369                     XC_TOP_RIGHT_CORNER].cid;
5370         else
5371                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5372                     XC_BOTTOM_RIGHT_CORNER].cid;
5373
5374         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5375             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5376             XCB_CURRENT_TIME),
5377
5378         xcb_flush(conn);
5379         resizing = 1;
5380         while ((evt = xcb_wait_for_event(conn)) && resizing) {
5381                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5382                 case XCB_BUTTON_RELEASE:
5383                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5384                         resizing = 0;
5385                         break;
5386                 case XCB_MOTION_NOTIFY:
5387                         mne = (xcb_motion_notify_event_t *)evt;
5388                         /* cursor offset/delta from start of the operation */
5389                         dx = mne->root_x - xpr->root_x;
5390                         dy = mne->root_y - xpr->root_y;
5391
5392                         /* vertical */
5393                         if (top)
5394                                 dy = -dy;
5395
5396                         if (args->id == SWM_ARG_ID_CENTER) {
5397                                 if (g.h / 2 + dy < 1)
5398                                         dy = 1 - g.h / 2;
5399
5400                                 Y(win) = g.y - dy;
5401                                 HEIGHT(win) = g.h + 2 * dy;
5402                         } else {
5403                                 if (g.h + dy < 1)
5404                                         dy = 1 - g.h;
5405
5406                                 if (top)
5407                                         Y(win) = g.y - dy;
5408
5409                                 HEIGHT(win) = g.h + dy;
5410                         }
5411
5412                         /* horizontal */
5413                         if (left)
5414                                 dx = -dx;
5415
5416                         if (args->id == SWM_ARG_ID_CENTER) {
5417                                 if (g.w / 2 + dx < 1)
5418                                         dx = 1 - g.w / 2;
5419
5420                                 X(win) = g.x - dx;
5421                                 WIDTH(win) = g.w + 2 * dx;
5422                         } else {
5423                                 if (g.w + dx < 1)
5424                                         dx = 1 - g.w;
5425
5426                                 if (left)
5427                                         X(win) = g.x - dx;
5428
5429                                 WIDTH(win) = g.w + dx;
5430                         }
5431
5432                         constrain_window(win, r, 1);
5433
5434                         /* not free, don't sync more than 120 times / second */
5435                         if ((mne->time - timestamp) > (1000 / 120) ) {
5436                                 timestamp = mne->time;
5437                                 update_window(win);
5438                                 xcb_flush(conn);
5439                         }
5440                         break;
5441                 default:
5442                         event_handle(evt);
5443                         break;
5444                 }
5445                 free(evt);
5446         }
5447         if (timestamp) {
5448                 update_window(win);
5449                 xcb_flush(conn);
5450         }
5451         store_float_geom(win,r);
5452
5453         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5454         free(xpr);
5455         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5456 }
5457
5458 void
5459 resize_step(struct swm_region *r, union arg *args)
5460 {
5461         struct ws_win           *win = NULL;
5462
5463         if (r && r->ws && r->ws->focus)
5464                 win = r->ws->focus;
5465         else
5466                 return;
5467
5468         resize(win, args);
5469         focus_flush();
5470 }
5471
5472 #define SWM_MOVE_STEPS  (50)
5473
5474 void
5475 move(struct ws_win *win, union arg *args)
5476 {
5477         xcb_timestamp_t         timestamp = 0;
5478         int                     move_stp = 0, moving;
5479         struct swm_region       *r = NULL;
5480         xcb_query_pointer_reply_t       *qpr;
5481         xcb_generic_event_t             *evt;
5482         xcb_motion_notify_event_t       *mne;
5483
5484         if (win == NULL)
5485                 return;
5486         r = win->ws->r;
5487
5488         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5489                 return;
5490
5491         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5492             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5493
5494         /* in max_stack mode should only move transients */
5495         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5496                 return;
5497
5498         win->manual = 1;
5499         if (!win->floating && !win->transient) {
5500                 store_float_geom(win, r);
5501                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5502                     _NET_WM_STATE_ADD);
5503         }
5504         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5505             _NET_WM_STATE_ADD);
5506
5507         stack();
5508
5509         focus_flush();
5510
5511         move_stp = 0;
5512         switch (args->id) {
5513         case SWM_ARG_ID_MOVELEFT:
5514                 X(win) -= (SWM_MOVE_STEPS - border_width);
5515                 move_stp = 1;
5516                 break;
5517         case SWM_ARG_ID_MOVERIGHT:
5518                 X(win) += (SWM_MOVE_STEPS - border_width);
5519                 move_stp = 1;
5520                 break;
5521         case SWM_ARG_ID_MOVEUP:
5522                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5523                 move_stp = 1;
5524                 break;
5525         case SWM_ARG_ID_MOVEDOWN:
5526                 Y(win) += (SWM_MOVE_STEPS - border_width);
5527                 move_stp = 1;
5528                 break;
5529         default:
5530                 break;
5531         }
5532         if (move_stp) {
5533                 constrain_window(win, r, 0);
5534                 update_window(win);
5535                 store_float_geom(win, r);
5536                 return;
5537         }
5538
5539         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5540             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5541             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5542
5543         /* get cursor offset from window root */
5544         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5545                 NULL);
5546         if (!qpr) {
5547                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5548                 return;
5549         }
5550
5551         xcb_flush(conn);
5552         moving = 1;
5553         while ((evt = xcb_wait_for_event(conn)) && moving) {
5554                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5555                 case XCB_BUTTON_RELEASE:
5556                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5557                         moving = 0;
5558                         break;
5559                 case XCB_MOTION_NOTIFY:
5560                         mne = (xcb_motion_notify_event_t *)evt;
5561                         X(win) = mne->root_x - qpr->win_x - border_width;
5562                         Y(win) = mne->root_y - qpr->win_y - border_width;
5563
5564                         constrain_window(win, r, 0);
5565
5566                         /* not free, don't sync more than 120 times / second */
5567                         if ((mne->time - timestamp) > (1000 / 120) ) {
5568                                 timestamp = mne->time;
5569                                 update_window(win);
5570                                 xcb_flush(conn);
5571                         }
5572                         break;
5573                 default:
5574                         event_handle(evt);
5575                         break;
5576                 }
5577                 free(evt);
5578         }
5579         if (timestamp) {
5580                 update_window(win);
5581                 xcb_flush(conn);
5582         }
5583         store_float_geom(win, r);
5584         free(qpr);
5585         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5586         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5587 }
5588
5589 void
5590 move_step(struct swm_region *r, union arg *args)
5591 {
5592         struct ws_win           *win = NULL;
5593
5594         if (r && r->ws && r->ws->focus)
5595                 win = r->ws->focus;
5596         else
5597                 return;
5598
5599         if (!win->transient && !win->floating)
5600                 return;
5601
5602         move(win, args);
5603         focus_flush();
5604 }
5605
5606 /* key definitions */
5607 struct keyfunc {
5608         char                    name[SWM_FUNCNAME_LEN];
5609         void                    (*func)(struct swm_region *r, union arg *);
5610         union arg               args;
5611 } keyfuncs[KF_INVALID + 1] = {
5612         /* name                 function        argument */
5613         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5614         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5615         { "button2",            pressbutton,    {2} },
5616         { "cycle_layout",       cycle_layout,   {0} },
5617         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5618         { "float_toggle",       floating_toggle,{0} },
5619         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5620         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5621         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5622         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5623         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5624         { "iconify",            iconify,        {0} },
5625         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5626         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5627         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5628         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5629         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5630         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5631         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5632         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5633         { "mvrg_1",             send_to_rg,     {.id = 0} },
5634         { "mvrg_2",             send_to_rg,     {.id = 1} },
5635         { "mvrg_3",             send_to_rg,     {.id = 2} },
5636         { "mvrg_4",             send_to_rg,     {.id = 3} },
5637         { "mvrg_5",             send_to_rg,     {.id = 4} },
5638         { "mvrg_6",             send_to_rg,     {.id = 5} },
5639         { "mvrg_7",             send_to_rg,     {.id = 6} },
5640         { "mvrg_8",             send_to_rg,     {.id = 7} },
5641         { "mvrg_9",             send_to_rg,     {.id = 8} },
5642         { "mvws_1",             send_to_ws,     {.id = 0} },
5643         { "mvws_2",             send_to_ws,     {.id = 1} },
5644         { "mvws_3",             send_to_ws,     {.id = 2} },
5645         { "mvws_4",             send_to_ws,     {.id = 3} },
5646         { "mvws_5",             send_to_ws,     {.id = 4} },
5647         { "mvws_6",             send_to_ws,     {.id = 5} },
5648         { "mvws_7",             send_to_ws,     {.id = 6} },
5649         { "mvws_8",             send_to_ws,     {.id = 7} },
5650         { "mvws_9",             send_to_ws,     {.id = 8} },
5651         { "mvws_10",            send_to_ws,     {.id = 9} },
5652         { "mvws_11",            send_to_ws,     {.id = 10} },
5653         { "mvws_12",            send_to_ws,     {.id = 11} },
5654         { "mvws_13",            send_to_ws,     {.id = 12} },
5655         { "mvws_14",            send_to_ws,     {.id = 13} },
5656         { "mvws_15",            send_to_ws,     {.id = 14} },
5657         { "mvws_16",            send_to_ws,     {.id = 15} },
5658         { "mvws_17",            send_to_ws,     {.id = 16} },
5659         { "mvws_18",            send_to_ws,     {.id = 17} },
5660         { "mvws_19",            send_to_ws,     {.id = 18} },
5661         { "mvws_20",            send_to_ws,     {.id = 19} },
5662         { "mvws_21",            send_to_ws,     {.id = 20} },
5663         { "mvws_22",            send_to_ws,     {.id = 21} },
5664         { "name_workspace",     name_workspace, {0} },
5665         { "quit",               quit,           {0} },
5666         { "raise_toggle",       raise_toggle,   {0} },
5667         { "restart",            restart,        {0} },
5668         { "rg_1",               focusrg,        {.id = 0} },
5669         { "rg_2",               focusrg,        {.id = 1} },
5670         { "rg_3",               focusrg,        {.id = 2} },
5671         { "rg_4",               focusrg,        {.id = 3} },
5672         { "rg_5",               focusrg,        {.id = 4} },
5673         { "rg_6",               focusrg,        {.id = 5} },
5674         { "rg_7",               focusrg,        {.id = 6} },
5675         { "rg_8",               focusrg,        {.id = 7} },
5676         { "rg_9",               focusrg,        {.id = 8} },
5677         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5678         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5679         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5680         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5681         { "search_win",         search_win,     {0} },
5682         { "search_workspace",   search_workspace,       {0} },
5683         { "spawn_custom",       NULL,           {0} },
5684         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5685         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5686         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5687         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5688         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5689         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5690         { "uniconify",          uniconify,      {0} },
5691         { "version",            version,        {0} },
5692         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5693         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5694         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5695         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5696         { "ws_1",               switchws,       {.id = 0} },
5697         { "ws_2",               switchws,       {.id = 1} },
5698         { "ws_3",               switchws,       {.id = 2} },
5699         { "ws_4",               switchws,       {.id = 3} },
5700         { "ws_5",               switchws,       {.id = 4} },
5701         { "ws_6",               switchws,       {.id = 5} },
5702         { "ws_7",               switchws,       {.id = 6} },
5703         { "ws_8",               switchws,       {.id = 7} },
5704         { "ws_9",               switchws,       {.id = 8} },
5705         { "ws_10",              switchws,       {.id = 9} },
5706         { "ws_11",              switchws,       {.id = 10} },
5707         { "ws_12",              switchws,       {.id = 11} },
5708         { "ws_13",              switchws,       {.id = 12} },
5709         { "ws_14",              switchws,       {.id = 13} },
5710         { "ws_15",              switchws,       {.id = 14} },
5711         { "ws_16",              switchws,       {.id = 15} },
5712         { "ws_17",              switchws,       {.id = 16} },
5713         { "ws_18",              switchws,       {.id = 17} },
5714         { "ws_19",              switchws,       {.id = 18} },
5715         { "ws_20",              switchws,       {.id = 19} },
5716         { "ws_21",              switchws,       {.id = 20} },
5717         { "ws_22",              switchws,       {.id = 21} },
5718         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5719         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5720         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5721         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5722         { "ws_prior",           priorws,        {0} },
5723         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5724         { "invalid key func",   NULL,           {0} },
5725 };
5726
5727 int
5728 key_cmp(struct key *kp1, struct key *kp2)
5729 {
5730         if (kp1->keysym < kp2->keysym)
5731                 return (-1);
5732         if (kp1->keysym > kp2->keysym)
5733                 return (1);
5734
5735         if (kp1->mod < kp2->mod)
5736                 return (-1);
5737         if (kp1->mod > kp2->mod)
5738                 return (1);
5739
5740         return (0);
5741 }
5742
5743 /* mouse */
5744 enum { client_click, root_click };
5745 struct button {
5746         unsigned int            action;
5747         unsigned int            mask;
5748         unsigned int            button;
5749         void                    (*func)(struct ws_win *, union arg *);
5750         union arg               args;
5751 } buttons[] = {
5752 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5753           /* action     key             mouse button    func    args */
5754         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5755         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5756         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5757 #undef MODKEY_SHIFT
5758 };
5759
5760 void
5761 update_modkey(unsigned int mod)
5762 {
5763         int                     i;
5764         struct key              *kp;
5765
5766         mod_key = mod;
5767         RB_FOREACH(kp, key_tree, &keys)
5768                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5769                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5770                 else
5771                         kp->mod = mod;
5772
5773         for (i = 0; i < LENGTH(buttons); i++)
5774                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5775                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5776                 else
5777                         buttons[i].mask = mod;
5778 }
5779
5780 int
5781 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5782     char ***ret_args)
5783 {
5784         struct spawn_prog       *prog = NULL;
5785         int                     i;
5786         char                    *ap, **real_args;
5787
5788         /* suppress unused warning since var is needed */
5789         (void)args;
5790
5791         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5792
5793         /* find program */
5794         TAILQ_FOREACH(prog, &spawns, entry) {
5795                 if (!strcasecmp(spawn_name, prog->name))
5796                         break;
5797         }
5798         if (prog == NULL) {
5799                 warnx("spawn_custom: program %s not found", spawn_name);
5800                 return (-1);
5801         }
5802
5803         /* make room for expanded args */
5804         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5805                 err(1, "spawn_custom: calloc real_args");
5806
5807         /* expand spawn_args into real_args */
5808         for (i = 0; i < prog->argc; i++) {
5809                 ap = prog->argv[i];
5810                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5811                 if (!strcasecmp(ap, "$bar_border")) {
5812                         if ((real_args[i] =
5813                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5814                             == NULL)
5815                                 err(1,  "spawn_custom border color");
5816                 } else if (!strcasecmp(ap, "$bar_color")) {
5817                         if ((real_args[i] =
5818                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5819                             == NULL)
5820                                 err(1, "spawn_custom bar color");
5821                 } else if (!strcasecmp(ap, "$bar_font")) {
5822                         if ((real_args[i] = strdup(bar_fonts))
5823                             == NULL)
5824                                 err(1, "spawn_custom bar fonts");
5825                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5826                         if ((real_args[i] =
5827                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5828                             == NULL)
5829                                 err(1, "spawn_custom color font");
5830                 } else if (!strcasecmp(ap, "$color_focus")) {
5831                         if ((real_args[i] =
5832                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5833                             == NULL)
5834                                 err(1, "spawn_custom color focus");
5835                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5836                         if ((real_args[i] =
5837                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5838                             == NULL)
5839                                 err(1, "spawn_custom color unfocus");
5840                 } else if (!strcasecmp(ap, "$region_index")) {
5841                         if (asprintf(&real_args[i], "%d",
5842                             get_region_index(r) + 1) < 1)
5843                                 err(1, "spawn_custom region index");
5844                 } else if (!strcasecmp(ap, "$workspace_index")) {
5845                         if (asprintf(&real_args[i], "%d", r->ws->idx + 1) < 1)
5846                                 err(1, "spawn_custom workspace index");
5847                 } else {
5848                         /* no match --> copy as is */
5849                         if ((real_args[i] = strdup(ap)) == NULL)
5850                                 err(1, "spawn_custom strdup(ap)");
5851                 }
5852                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5853                     real_args[i]);
5854         }
5855
5856 #ifdef SWM_DEBUG
5857         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5858         for (i = 0; i < prog->argc; i++)
5859                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5860         DNPRINTF(SWM_D_SPAWN, "\n");
5861 #endif
5862         *ret_args = real_args;
5863         return (prog->argc);
5864 }
5865
5866 void
5867 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5868 {
5869         union arg               a;
5870         char                    **real_args;
5871         int                     spawn_argc, i;
5872
5873         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5874                 return;
5875         a.argv = real_args;
5876         if (fork() == 0)
5877                 spawn(r->ws->idx, &a, 1);
5878
5879         for (i = 0; i < spawn_argc; i++)
5880                 free(real_args[i]);
5881         free(real_args);
5882 }
5883
5884 void
5885 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5886     int *pid)
5887 {
5888         union arg               a;
5889         char                    **real_args;
5890         int                     i, spawn_argc;
5891
5892         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5893                 return;
5894         a.argv = real_args;
5895
5896         if (pipe(select_list_pipe) == -1)
5897                 err(1, "pipe error");
5898         if (pipe(select_resp_pipe) == -1)
5899                 err(1, "pipe error");
5900
5901         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5902                 err(1, "could not disable SIGPIPE");
5903         switch (*pid = fork()) {
5904         case -1:
5905                 err(1, "cannot fork");
5906                 break;
5907         case 0: /* child */
5908                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
5909                         err(1, "dup2");
5910                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
5911                         err(1, "dup2");
5912                 close(select_list_pipe[1]);
5913                 close(select_resp_pipe[0]);
5914                 spawn(r->ws->idx, &a, 0);
5915                 break;
5916         default: /* parent */
5917                 close(select_list_pipe[0]);
5918                 close(select_resp_pipe[1]);
5919                 break;
5920         }
5921
5922         for (i = 0; i < spawn_argc; i++)
5923                 free(real_args[i]);
5924         free(real_args);
5925 }
5926
5927 void
5928 spawn_insert(const char *name, const char *args)
5929 {
5930         char                    *arg, *cp, *ptr;
5931         struct spawn_prog       *sp;
5932
5933         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5934
5935         if ((sp = calloc(1, sizeof *sp)) == NULL)
5936                 err(1, "spawn_insert: calloc");
5937         if ((sp->name = strdup(name)) == NULL)
5938                 err(1, "spawn_insert: strdup");
5939
5940         /* convert the arguments to an argument list */
5941         if ((ptr = cp = strdup(args)) == NULL)
5942                 err(1, "spawn_insert: strdup");
5943         while ((arg = strsep(&ptr, " \t")) != NULL) {
5944                 /* empty field; skip it */
5945                 if (*arg == '\0')
5946                         continue;
5947
5948                 sp->argc++;
5949                 if ((sp->argv = realloc(sp->argv, sp->argc *
5950                     sizeof *sp->argv)) == NULL)
5951                         err(1, "spawn_insert: realloc");
5952                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5953                         err(1, "spawn_insert: strdup");
5954         }
5955         free(cp);
5956
5957         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5958         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5959 }
5960
5961 void
5962 spawn_remove(struct spawn_prog *sp)
5963 {
5964         int                     i;
5965
5966         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5967
5968         TAILQ_REMOVE(&spawns, sp, entry);
5969         for (i = 0; i < sp->argc; i++)
5970                 free(sp->argv[i]);
5971         free(sp->argv);
5972         free(sp->name);
5973         free(sp);
5974
5975         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5976 }
5977
5978 void
5979 spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
5980 {
5981         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5982
5983         spawn_remove(sp);
5984         spawn_insert(name, args);
5985
5986         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5987 }
5988
5989 void
5990 setspawn(const char *name, const char *args)
5991 {
5992         struct spawn_prog       *sp;
5993
5994         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5995
5996         if (name == NULL)
5997                 return;
5998
5999         TAILQ_FOREACH(sp, &spawns, entry) {
6000                 if (!strcmp(sp->name, name)) {
6001                         if (*args == '\0')
6002                                 spawn_remove(sp);
6003                         else
6004                                 spawn_replace(sp, name, args);
6005                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6006                         return;
6007                 }
6008         }
6009         if (*args == '\0') {
6010                 warnx("error: setspawn: cannot find program: %s", name);
6011                 return;
6012         }
6013
6014         spawn_insert(name, args);
6015         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6016 }
6017
6018 int
6019 setconfspawn(char *selector, char *value, int flags)
6020 {
6021         char            *args;
6022         char            which[PATH_MAX];
6023         size_t          i;
6024
6025         /* suppress unused warning since var is needed */
6026         (void)flags;
6027
6028         args = expand_tilde(value);
6029
6030         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6031
6032         /* verify we have the goods */
6033         snprintf(which, sizeof which, "which %s", value);
6034         for (i = strlen("which "); i < strlen(which); i++)
6035                 if (which[i] == ' ') {
6036                         which[i] = '\0';
6037                         break;
6038                 }
6039         if (flags == 0 && system(which) != 0)
6040                 add_startup_exception("could not find %s",
6041                     &which[strlen("which ")]);
6042
6043         setspawn(selector, args);
6044         free(args);
6045
6046         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6047         return (0);
6048 }
6049
6050 void
6051 setup_spawn(void)
6052 {
6053         setconfspawn("term",            "xterm",                0);
6054         setconfspawn("spawn_term",      "xterm",                0);
6055         setconfspawn("lock",            "xlock",                0);
6056         setconfspawn("menu",            "dmenu_run"
6057                                         " -fn $bar_font"
6058                                         " -nb $bar_color"
6059                                         " -nf $bar_font_color"
6060                                         " -sb $bar_border"
6061                                         " -sf $bar_color",      0);
6062         setconfspawn("search",          "dmenu"
6063                                         " -i"
6064                                         " -fn $bar_font"
6065                                         " -nb $bar_color"
6066                                         " -nf $bar_font_color"
6067                                         " -sb $bar_border"
6068                                         " -sf $bar_color",      0);
6069         setconfspawn("name_workspace",  "dmenu"
6070                                         " -p Workspace"
6071                                         " -fn $bar_font"
6072                                         " -nb $bar_color"
6073                                         " -nf $bar_font_color"
6074                                         " -sb $bar_border"
6075                                         " -sf $bar_color",      0);
6076
6077         /* these are not verified for existence */
6078         setconfspawn("screenshot_all",  "screenshot.sh full",   1);
6079         setconfspawn("screenshot_wind", "screenshot.sh window", 1);
6080         setconfspawn("initscr",         "initscreen.sh",        1);
6081
6082 }
6083
6084 /* key bindings */
6085 #define SWM_MODNAME_SIZE        32
6086 #define SWM_KEY_WS              "\n+ \t"
6087 int
6088 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6089 {
6090         char                    *cp, *name;
6091         KeySym                  uks;
6092         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6093         if (mod == NULL || ks == NULL) {
6094                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6095                 return (1);
6096         }
6097         if (keystr == NULL || strlen(keystr) == 0) {
6098                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6099                 return (1);
6100         }
6101         cp = keystr;
6102         *ks = XCB_NO_SYMBOL;
6103         *mod = 0;
6104         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6105                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6106                 if (cp)
6107                         cp += (long)strspn(cp, SWM_KEY_WS);
6108                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6109                         *mod |= currmod;
6110                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
6111                         *mod |= XCB_MOD_MASK_1;
6112                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
6113                         *mod += XCB_MOD_MASK_2;
6114                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
6115                         *mod |= XCB_MOD_MASK_3;
6116                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
6117                         *mod |= XCB_MOD_MASK_4;
6118                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6119                         *mod |= XCB_MOD_MASK_SHIFT;
6120                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6121                         *mod |= XCB_MOD_MASK_CONTROL;
6122                 else {
6123                         *ks = XStringToKeysym(name);
6124                         XConvertCase(*ks, ks, &uks);
6125                         if (ks == XCB_NO_SYMBOL) {
6126                                 DNPRINTF(SWM_D_KEY,
6127                                     "parsekeys: invalid key %s\n",
6128                                     name);
6129                                 return (1);
6130                         }
6131                 }
6132         }
6133         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6134         return (0);
6135 }
6136
6137 char *
6138 strdupsafe(const char *str)
6139 {
6140         if (str == NULL)
6141                 return (NULL);
6142         else
6143                 return (strdup(str));
6144 }
6145
6146 void
6147 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6148     const char *spawn_name)
6149 {
6150         struct key              *kp;
6151
6152         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6153             keyfuncs[kfid].name, spawn_name);
6154
6155         if ((kp = malloc(sizeof *kp)) == NULL)
6156                 err(1, "key_insert: malloc");
6157
6158         kp->mod = mod;
6159         kp->keysym = ks;
6160         kp->funcid = kfid;
6161         kp->spawn_name = strdupsafe(spawn_name);
6162         RB_INSERT(key_tree, &keys, kp);
6163
6164         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6165 }
6166
6167 struct key *
6168 key_lookup(unsigned int mod, KeySym ks)
6169 {
6170         struct key              kp;
6171
6172         kp.keysym = ks;
6173         kp.mod = mod;
6174
6175         return (RB_FIND(key_tree, &keys, &kp));
6176 }
6177
6178 void
6179 key_remove(struct key *kp)
6180 {
6181         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6182
6183         RB_REMOVE(key_tree, &keys, kp);
6184         free(kp->spawn_name);
6185         free(kp);
6186
6187         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6188 }
6189
6190 void
6191 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6192     const char *spawn_name)
6193 {
6194         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6195             spawn_name);
6196
6197         key_remove(kp);
6198         key_insert(mod, ks, kfid, spawn_name);
6199
6200         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6201 }
6202
6203 void
6204 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6205     const char *spawn_name)
6206 {
6207         struct key              *kp;
6208
6209         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6210             keyfuncs[kfid].name, spawn_name);
6211
6212         if ((kp = key_lookup(mod, ks)) != NULL) {
6213                 if (kfid == KF_INVALID)
6214                         key_remove(kp);
6215                 else
6216                         key_replace(kp, mod, ks, kfid, spawn_name);
6217                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6218                 return;
6219         }
6220         if (kfid == KF_INVALID) {
6221                 warnx("bind: Key combination already unbound.");
6222                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6223                 return;
6224         }
6225
6226         key_insert(mod, ks, kfid, spawn_name);
6227         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6228 }
6229
6230 int
6231 setconfbinding(char *selector, char *value, int flags)
6232 {
6233         enum keyfuncid          kfid;
6234         unsigned int            mod;
6235         KeySym                  ks;
6236         struct spawn_prog       *sp;
6237
6238         /* suppress unused warning since var is needed */
6239         (void)flags;
6240
6241         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6242         if (selector == NULL) {
6243                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6244                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6245                         kfid = KF_INVALID;
6246                         setkeybinding(mod, ks, kfid, NULL);
6247                         return (0);
6248                 } else
6249                         return (1);
6250         }
6251         /* search by key function name */
6252         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6253                 if (strncasecmp(selector, keyfuncs[kfid].name,
6254                     SWM_FUNCNAME_LEN) == 0) {
6255                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6256                             selector);
6257                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6258                                 setkeybinding(mod, ks, kfid, NULL);
6259                                 return (0);
6260                         } else
6261                                 return (1);
6262                 }
6263         }
6264         /* search by custom spawn name */
6265         TAILQ_FOREACH(sp, &spawns, entry) {
6266                 if (strcasecmp(selector, sp->name) == 0) {
6267                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6268                             selector);
6269                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6270                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6271                                     sp->name);
6272                                 return (0);
6273                         } else
6274                                 return (1);
6275                 }
6276         }
6277         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6278         return (1);
6279 }
6280
6281 void
6282 setup_keys(void)
6283 {
6284 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6285         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6286         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6287         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6288         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6289         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6290         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6291         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6292         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6293         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6294         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6295         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6296         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6297         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6298         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6299         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6300         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6301         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6302         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6303         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6304         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6305         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6306         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6307         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6308         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6309         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6310         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6311         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6312         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6313         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6314         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6315         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6316         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6317         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6318         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6319         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6320         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6321         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6322         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6323         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6324         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6325         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6326         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6327         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6328         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6329         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6330         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6331         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6332         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6333         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6334         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6335         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6336         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6337         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6338         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6339         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6340         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6341         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6342         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6343         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6344         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6345         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6346         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6347         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6348         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6349         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6350         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6351         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6352         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6353         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6354         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6355         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6356         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6357         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6358         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6359         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6360         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6361         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6362         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6363         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6364         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6365         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6366         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6367         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6368         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6369         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6370         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6371         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6372         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6373         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6374         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6375         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6376         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6377         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6378         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6379         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6380         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6381         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6382         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6383         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6384         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6385         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6386         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6387         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6388         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6389         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6390         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6391         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6392         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6393         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6394         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6395         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6396         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6397         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6398         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6399         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6400 #ifdef SWM_DEBUG
6401         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6402 #endif
6403 #undef MODKEY_SHIFT
6404 }
6405
6406 void
6407 clear_keys(void)
6408 {
6409         struct key              *kp;
6410
6411         while (RB_EMPTY(&keys) == 0) {
6412                 kp = RB_ROOT(&keys);
6413                 key_remove(kp);
6414         }
6415 }
6416
6417 int
6418 setkeymapping(char *selector, char *value, int flags)
6419 {
6420         char                    keymapping_file[PATH_MAX];
6421
6422         /* suppress unused warnings since vars are needed */
6423         (void)selector;
6424         (void)flags;
6425
6426         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6427         if (value[0] == '~')
6428                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
6429                     pwd->pw_dir, &value[1]);
6430         else
6431                 strlcpy(keymapping_file, value, sizeof keymapping_file);
6432         clear_keys();
6433         /* load new key bindings; if it fails, revert to default bindings */
6434         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6435                 clear_keys();
6436                 setup_keys();
6437         }
6438         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6439         return (0);
6440 }
6441
6442 void
6443 updatenumlockmask(void)
6444 {
6445         unsigned int                            i, j;
6446         xcb_get_modifier_mapping_reply_t        *modmap_r;
6447         xcb_keycode_t                           *modmap, kc, *keycode;
6448
6449         numlockmask = 0;
6450
6451         modmap_r = xcb_get_modifier_mapping_reply(conn,
6452             xcb_get_modifier_mapping(conn),
6453             NULL);
6454         if (modmap_r) {
6455                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6456                 for (i = 0; i < 8; i++) {
6457                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6458                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6459                                     + j];
6460                                 keycode = xcb_key_symbols_get_keycode(syms,
6461                                                 XK_Num_Lock);
6462                                 if (kc == *keycode)
6463                                         numlockmask = (1 << i);
6464                                 free(keycode);
6465                         }
6466                 }
6467                 free(modmap_r);
6468         }
6469         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6470 }
6471
6472 void
6473 grabkeys(void)
6474 {
6475         struct key              *kp;
6476         int                     num_screens, k, j;
6477         unsigned int            modifiers[4];
6478         xcb_keycode_t           *code;
6479
6480         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6481         updatenumlockmask();
6482
6483         modifiers[0] = 0;
6484         modifiers[1] = numlockmask;
6485         modifiers[2] = XCB_MOD_MASK_LOCK;
6486         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6487
6488         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6489         for (k = 0; k < num_screens; k++) {
6490                 if (TAILQ_EMPTY(&screens[k].rl))
6491                         continue;
6492                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6493                         XCB_MOD_MASK_ANY);
6494                 RB_FOREACH(kp, key_tree, &keys) {
6495                         if ((code = xcb_key_symbols_get_keycode(syms,
6496                                         kp->keysym))) {
6497                                 for (j = 0; j < LENGTH(modifiers); j++)
6498                                         xcb_grab_key(conn, 1,
6499                                             screens[k].root,
6500                                             kp->mod | modifiers[j],
6501                                             *code, XCB_GRAB_MODE_SYNC,
6502                                             XCB_GRAB_MODE_SYNC);
6503                                 free(code);
6504                         }
6505                 }
6506         }
6507 }
6508
6509 void
6510 grabbuttons(struct ws_win *win)
6511 {
6512         unsigned int    modifiers[4];
6513         int             i, j;
6514
6515         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6516         updatenumlockmask();
6517
6518         modifiers[0] = 0;
6519         modifiers[1] = numlockmask;
6520         modifiers[2] = XCB_MOD_MASK_LOCK;
6521         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6522
6523         for (i = 0; i < LENGTH(buttons); i++)
6524                 if (buttons[i].action == client_click)
6525                         for (j = 0; j < LENGTH(modifiers); ++j)
6526                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6527                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6528                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6529                                     buttons[i].button, buttons[i].mask |
6530                                     modifiers[j]);
6531 }
6532
6533 const char *quirkname[] = {
6534         "NONE",         /* config string for "no value" */
6535         "FLOAT",
6536         "TRANSSZ",
6537         "ANYWHERE",
6538         "XTERM_FONTADJ",
6539         "FULLSCREEN",
6540         "FOCUSPREV",
6541 };
6542
6543 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6544 #define SWM_Q_WS                "\n|+ \t"
6545 int
6546 parsequirks(char *qstr, unsigned long *quirk)
6547 {
6548         char                    *cp, *name;
6549         int                     i;
6550
6551         if (quirk == NULL)
6552                 return (1);
6553
6554         cp = qstr;
6555         *quirk = 0;
6556         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6557                 if (cp)
6558                         cp += (long)strspn(cp, SWM_Q_WS);
6559                 for (i = 0; i < LENGTH(quirkname); i++) {
6560                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6561                                 DNPRINTF(SWM_D_QUIRK,
6562                                     "parsequirks: %s\n", name);
6563                                 if (i == 0) {
6564                                         *quirk = 0;
6565                                         return (0);
6566                                 }
6567                                 *quirk |= 1 << (i-1);
6568                                 break;
6569                         }
6570                 }
6571                 if (i >= LENGTH(quirkname)) {
6572                         DNPRINTF(SWM_D_QUIRK,
6573                             "parsequirks: invalid quirk [%s]\n", name);
6574                         return (1);
6575                 }
6576         }
6577         return (0);
6578 }
6579
6580 void
6581 quirk_insert(const char *class, const char *name, unsigned long quirk)
6582 {
6583         struct quirk            *qp;
6584
6585         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6586             quirk);
6587
6588         if ((qp = malloc(sizeof *qp)) == NULL)
6589                 err(1, "quirk_insert: malloc");
6590         if ((qp->class = strdup(class)) == NULL)
6591                 err(1, "quirk_insert: strdup");
6592         if ((qp->name = strdup(name)) == NULL)
6593                 err(1, "quirk_insert: strdup");
6594
6595         qp->quirk = quirk;
6596         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6597
6598         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6599 }
6600
6601 void
6602 quirk_remove(struct quirk *qp)
6603 {
6604         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6605             qp->name, qp->quirk);
6606
6607         TAILQ_REMOVE(&quirks, qp, entry);
6608         free(qp->class);
6609         free(qp->name);
6610         free(qp);
6611
6612         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6613 }
6614
6615 void
6616 quirk_replace(struct quirk *qp, const char *class, const char *name,
6617     unsigned long quirk)
6618 {
6619         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6620             qp->name, qp->quirk);
6621
6622         quirk_remove(qp);
6623         quirk_insert(class, name, quirk);
6624
6625         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6626 }
6627
6628 void
6629 setquirk(const char *class, const char *name, unsigned long quirk)
6630 {
6631         struct quirk            *qp;
6632
6633         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6634            quirk);
6635
6636         /* Remove/replace existing quirk. */
6637         TAILQ_FOREACH(qp, &quirks, entry) {
6638                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6639                         if (!quirk)
6640                                 quirk_remove(qp);
6641                         else
6642                                 quirk_replace(qp, class, name, quirk);
6643                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6644                         return;
6645                 }
6646         }
6647
6648         /* Only insert if quirk is not NONE. */
6649         if (quirk)
6650                 quirk_insert(class, name, quirk);
6651
6652         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6653 }
6654
6655 int
6656 setconfquirk(char *selector, char *value, int flags)
6657 {
6658         char                    *cp, *class, *name;
6659         int                     retval;
6660         unsigned long           qrks;
6661
6662         /* suppress unused warning since var is needed */
6663         (void)flags;
6664
6665         if (selector == NULL)
6666                 return (0);
6667         if ((cp = strchr(selector, ':')) == NULL)
6668                 return (0);
6669         *cp = '\0';
6670         class = selector;
6671         name = cp + 1;
6672         if ((retval = parsequirks(value, &qrks)) == 0)
6673                 setquirk(class, name, qrks);
6674         return (retval);
6675 }
6676
6677 void
6678 setup_quirks(void)
6679 {
6680         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6681         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6682         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6683         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6684         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6685         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6686         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6687         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6688         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6689         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6690         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6691         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6692         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6693 }
6694
6695 /* conf file stuff */
6696 #define SWM_CONF_FILE           "spectrwm.conf"
6697 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6698
6699 enum {
6700         SWM_S_BAR_ACTION,
6701         SWM_S_BAR_AT_BOTTOM,
6702         SWM_S_BAR_BORDER_WIDTH,
6703         SWM_S_BAR_DELAY,
6704         SWM_S_BAR_ENABLED,
6705         SWM_S_BAR_ENABLED_WS,
6706         SWM_S_BAR_FONT,
6707         SWM_S_BAR_FORMAT,
6708         SWM_S_BAR_JUSTIFY,
6709         SWM_S_BORDER_WIDTH,
6710         SWM_S_CLOCK_ENABLED,
6711         SWM_S_CLOCK_FORMAT,
6712         SWM_S_CYCLE_EMPTY,
6713         SWM_S_CYCLE_VISIBLE,
6714         SWM_S_DIALOG_RATIO,
6715         SWM_S_DISABLE_BORDER,
6716         SWM_S_FOCUS_CLOSE,
6717         SWM_S_FOCUS_CLOSE_WRAP,
6718         SWM_S_FOCUS_DEFAULT,
6719         SWM_S_FOCUS_MODE,
6720         SWM_S_REGION_PADDING,
6721         SWM_S_SPAWN_ORDER,
6722         SWM_S_SPAWN_TERM,
6723         SWM_S_SS_APP,
6724         SWM_S_SS_ENABLED,
6725         SWM_S_STACK_ENABLED,
6726         SWM_S_TERM_WIDTH,
6727         SWM_S_TILE_GAP,
6728         SWM_S_TITLE_CLASS_ENABLED,
6729         SWM_S_TITLE_NAME_ENABLED,
6730         SWM_S_URGENT_ENABLED,
6731         SWM_S_VERBOSE_LAYOUT,
6732         SWM_S_WINDOW_NAME_ENABLED,
6733         SWM_S_WORKSPACE_LIMIT
6734 };
6735
6736 int
6737 setconfvalue(char *selector, char *value, int flags)
6738 {
6739         struct workspace        *ws;
6740         int                     i, ws_id, num_screens;
6741         char                    *b;
6742
6743         /* suppress unused warning since var is needed */
6744         (void)selector;
6745
6746         switch (flags) {
6747         case SWM_S_BAR_ACTION:
6748                 free(bar_argv[0]);
6749                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6750                         err(1, "setconfvalue: bar_action");
6751                 break;
6752         case SWM_S_BAR_AT_BOTTOM:
6753                 bar_at_bottom = atoi(value);
6754                 break;
6755         case SWM_S_BAR_BORDER_WIDTH:
6756                 bar_border_width = atoi(value);
6757                 if (bar_border_width < 0)
6758                         bar_border_width = 0;
6759                 break;
6760         case SWM_S_BAR_DELAY:
6761                 /* No longer needed; leave to not break old conf files. */
6762                 break;
6763         case SWM_S_BAR_ENABLED:
6764                 bar_enabled = atoi(value);
6765                 break;
6766         case SWM_S_BAR_ENABLED_WS:
6767                 ws_id = atoi(selector) - 1;
6768                 if (ws_id < 0 || ws_id >= workspace_limit)
6769                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
6770                             "workspace %d.", ws_id + 1);
6771
6772                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6773                 for (i = 0; i < num_screens; i++) {
6774                         ws = (struct workspace *)&screens[i].ws;
6775                         ws[ws_id].bar_enabled = atoi(value);
6776                 }
6777                 break;
6778         case SWM_S_BAR_FONT:
6779                 b = bar_fonts;
6780                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6781                         err(1, "setconfvalue: asprintf: failed to allocate "
6782                                 "memory for bar_fonts.");
6783                 free(b);
6784
6785                 /* If already in xft mode, then we are done. */
6786                 if (!bar_font_legacy)
6787                         break;
6788
6789                 /* If there are any non-XLFD entries, switch to Xft mode. */
6790                 while ((b = strsep(&value, ",")) != NULL) {
6791                         if (*b == '\0')
6792                                 continue;
6793                         if (!isxlfd(b)) {
6794                                 bar_font_legacy = 0;
6795                                 break;
6796                         }
6797                 }
6798                 break;
6799         case SWM_S_BAR_FORMAT:
6800                 free(bar_format);
6801                 if ((bar_format = strdup(value)) == NULL)
6802                         err(1, "setconfvalue: bar_format");
6803                 break;
6804         case SWM_S_BAR_JUSTIFY:
6805                 if (!strcmp(value, "left"))
6806                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6807                 else if (!strcmp(value, "center"))
6808                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6809                 else if (!strcmp(value, "right"))
6810                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6811                 else
6812                         errx(1, "invalid bar_justify");
6813                 break;
6814         case SWM_S_BORDER_WIDTH:
6815                 border_width = atoi(value);
6816                 if (border_width < 0)
6817                         border_width = 0;
6818                 break;
6819         case SWM_S_CLOCK_ENABLED:
6820                 clock_enabled = atoi(value);
6821                 break;
6822         case SWM_S_CLOCK_FORMAT:
6823 #ifndef SWM_DENY_CLOCK_FORMAT
6824                 free(clock_format);
6825                 if ((clock_format = strdup(value)) == NULL)
6826                         err(1, "setconfvalue: clock_format");
6827 #endif
6828                 break;
6829         case SWM_S_CYCLE_EMPTY:
6830                 cycle_empty = atoi(value);
6831                 break;
6832         case SWM_S_CYCLE_VISIBLE:
6833                 cycle_visible = atoi(value);
6834                 break;
6835         case SWM_S_DIALOG_RATIO:
6836                 dialog_ratio = atof(value);
6837                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6838                         dialog_ratio = .6;
6839                 break;
6840         case SWM_S_DISABLE_BORDER:
6841                 disable_border = atoi(value);
6842                 break;
6843         case SWM_S_FOCUS_CLOSE:
6844                 if (!strcmp(value, "first"))
6845                         focus_close = SWM_STACK_BOTTOM;
6846                 else if (!strcmp(value, "last"))
6847                         focus_close = SWM_STACK_TOP;
6848                 else if (!strcmp(value, "next"))
6849                         focus_close = SWM_STACK_ABOVE;
6850                 else if (!strcmp(value, "previous"))
6851                         focus_close = SWM_STACK_BELOW;
6852                 else
6853                         errx(1, "focus_close");
6854                 break;
6855         case SWM_S_FOCUS_CLOSE_WRAP:
6856                 focus_close_wrap = atoi(value);
6857                 break;
6858         case SWM_S_FOCUS_DEFAULT:
6859                 if (!strcmp(value, "last"))
6860                         focus_default = SWM_STACK_TOP;
6861                 else if (!strcmp(value, "first"))
6862                         focus_default = SWM_STACK_BOTTOM;
6863                 else
6864                         errx(1, "focus_default");
6865                 break;
6866         case SWM_S_FOCUS_MODE:
6867                 if (!strcmp(value, "default"))
6868                         focus_mode = SWM_FOCUS_DEFAULT;
6869                 else if (!strcmp(value, "follow") ||
6870                     !strcmp(value, "follow_cursor"))
6871                         focus_mode = SWM_FOCUS_FOLLOW;
6872                 else if (!strcmp(value, "manual"))
6873                         focus_mode = SWM_FOCUS_MANUAL;
6874                 else
6875                         errx(1, "focus_mode");
6876                 break;
6877         case SWM_S_REGION_PADDING:
6878                 region_padding = atoi(value);
6879                 if (region_padding < 0)
6880                         region_padding = 0;
6881                 break;
6882         case SWM_S_SPAWN_ORDER:
6883                 if (!strcmp(value, "first"))
6884                         spawn_position = SWM_STACK_BOTTOM;
6885                 else if (!strcmp(value, "last"))
6886                         spawn_position = SWM_STACK_TOP;
6887                 else if (!strcmp(value, "next"))
6888                         spawn_position = SWM_STACK_ABOVE;
6889                 else if (!strcmp(value, "previous"))
6890                         spawn_position = SWM_STACK_BELOW;
6891                 else
6892                         errx(1, "spawn_position");
6893                 break;
6894         case SWM_S_SPAWN_TERM:
6895                 setconfspawn("term", value, 0);
6896                 setconfspawn("spawn_term", value, 0);
6897                 break;
6898         case SWM_S_SS_APP:
6899                 /* No longer needed; leave to not break old conf files. */
6900                 break;
6901         case SWM_S_SS_ENABLED:
6902                 /* No longer needed; leave to not break old conf files. */
6903                 break;
6904         case SWM_S_STACK_ENABLED:
6905                 stack_enabled = atoi(value);
6906                 break;
6907         case SWM_S_TERM_WIDTH:
6908                 term_width = atoi(value);
6909                 if (term_width < 0)
6910                         term_width = 0;
6911                 break;
6912         case SWM_S_TILE_GAP:
6913                 tile_gap = atoi(value);
6914                 if (tile_gap < 0)
6915                         tile_gap = 0;
6916                 break;
6917         case SWM_S_TITLE_CLASS_ENABLED:
6918                 title_class_enabled = atoi(value);
6919                 break;
6920         case SWM_S_TITLE_NAME_ENABLED:
6921                 title_name_enabled = atoi(value);
6922                 break;
6923         case SWM_S_URGENT_ENABLED:
6924                 urgent_enabled = atoi(value);
6925                 break;
6926         case SWM_S_VERBOSE_LAYOUT:
6927                 verbose_layout = atoi(value);
6928                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6929                         if (verbose_layout)
6930                                 layouts[i].l_string = fancy_stacker;
6931                         else
6932                                 layouts[i].l_string = plain_stacker;
6933                 }
6934                 break;
6935         case SWM_S_WINDOW_NAME_ENABLED:
6936                 window_name_enabled = atoi(value);
6937                 break;
6938         case SWM_S_WORKSPACE_LIMIT:
6939                 workspace_limit = atoi(value);
6940                 if (workspace_limit > SWM_WS_MAX)
6941                         workspace_limit = SWM_WS_MAX;
6942                 else if (workspace_limit < 1)
6943                         workspace_limit = 1;
6944                 break;
6945         default:
6946                 return (1);
6947         }
6948         return (0);
6949 }
6950
6951 int
6952 setconfmodkey(char *selector, char *value, int flags)
6953 {
6954         /* suppress unused warnings since vars are needed */
6955         (void)selector;
6956         (void)flags;
6957
6958         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6959                 update_modkey(XCB_MOD_MASK_1);
6960         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6961                 update_modkey(XCB_MOD_MASK_2);
6962         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6963                 update_modkey(XCB_MOD_MASK_3);
6964         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6965                 update_modkey(XCB_MOD_MASK_4);
6966         else
6967                 return (1);
6968         return (0);
6969 }
6970
6971 int
6972 setconfcolor(char *selector, char *value, int flags)
6973 {
6974         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6975         return (0);
6976 }
6977
6978 int
6979 setconfregion(char *selector, char *value, int flags)
6980 {
6981         /* suppress unused warnings since vars are needed */
6982         (void)selector;
6983         (void)flags;
6984
6985         custom_region(value);
6986         return (0);
6987 }
6988
6989 int
6990 setautorun(char *selector, char *value, int flags)
6991 {
6992         int                     ws_id;
6993         char                    s[1024];
6994         char                    *ap, *sp;
6995         union arg               a;
6996         int                     argc = 0;
6997         pid_t                   pid;
6998         struct pid_e            *p;
6999
7000         /* suppress unused warnings since vars are needed */
7001         (void)selector;
7002         (void)flags;
7003
7004         if (getenv("SWM_STARTED"))
7005                 return (0);
7006
7007         bzero(s, sizeof s);
7008         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7009                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7010         ws_id--;
7011         if (ws_id < 0 || ws_id >= workspace_limit)
7012                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7013
7014         sp = expand_tilde((char *)&s);
7015
7016         /*
7017          * This is a little intricate
7018          *
7019          * If the pid already exists we simply reuse it because it means it was
7020          * used before AND not claimed by manage_window.  We get away with
7021          * altering it in the parent after INSERT because this can not be a race
7022          */
7023         a.argv = NULL;
7024         while ((ap = strsep(&sp, " \t")) != NULL) {
7025                 if (*ap == '\0')
7026                         continue;
7027                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7028                 argc++;
7029                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7030                         err(1, "setautorun: realloc");
7031                 a.argv[argc - 1] = ap;
7032         }
7033         free(sp);
7034
7035         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7036                 err(1, "setautorun: realloc");
7037         a.argv[argc] = NULL;
7038
7039         if ((pid = fork()) == 0) {
7040                 spawn(ws_id, &a, 1);
7041                 /* NOTREACHED */
7042                 _exit(1);
7043         }
7044         free(a.argv);
7045
7046         /* parent */
7047         p = find_pid(pid);
7048         if (p == NULL) {
7049                 p = calloc(1, sizeof *p);
7050                 if (p == NULL)
7051                         return (1);
7052                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7053         }
7054
7055         p->pid = pid;
7056         p->ws = ws_id;
7057
7058         return (0);
7059 }
7060
7061 int
7062 setlayout(char *selector, char *value, int flags)
7063 {
7064         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7065         int                     st = SWM_V_STACK, num_screens;
7066         char                    s[1024];
7067         struct workspace        *ws;
7068
7069         /* suppress unused warnings since vars are needed */
7070         (void)selector;
7071         (void)flags;
7072
7073         if (getenv("SWM_STARTED"))
7074                 return (0);
7075
7076         bzero(s, sizeof s);
7077         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7078             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7079                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7080                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7081                     "<type>'");
7082         ws_id--;
7083         if (ws_id < 0 || ws_id >= workspace_limit)
7084                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7085
7086         if (!strcasecmp(s, "vertical"))
7087                 st = SWM_V_STACK;
7088         else if (!strcasecmp(s, "vertical_flip")) {
7089                 st = SWM_V_STACK;
7090                 f = 1;
7091         } else if (!strcasecmp(s, "horizontal"))
7092                 st = SWM_H_STACK;
7093         else if (!strcasecmp(s, "horizontal_flip")) {
7094                 st = SWM_H_STACK;
7095                 f = 1;
7096         } else if (!strcasecmp(s, "fullscreen"))
7097                 st = SWM_MAX_STACK;
7098         else
7099                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7100                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7101                     "<type>'");
7102
7103         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7104         for (i = 0; i < num_screens; i++) {
7105                 ws = (struct workspace *)&screens[i].ws;
7106                 ws[ws_id].cur_layout = &layouts[st];
7107
7108                 ws[ws_id].always_raise = ar;
7109                 if (st == SWM_MAX_STACK)
7110                         continue;
7111
7112                 /* master grow */
7113                 for (x = 0; x < abs(mg); x++) {
7114                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7115                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7116                             SWM_ARG_ID_MASTERSHRINK);
7117                         stack();
7118                 }
7119                 /* master add */
7120                 for (x = 0; x < abs(ma); x++) {
7121                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7122                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7123                             SWM_ARG_ID_MASTERDEL);
7124                         stack();
7125                 }
7126                 /* stack inc */
7127                 for (x = 0; x < abs(si); x++) {
7128                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7129                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7130                             SWM_ARG_ID_STACKDEC);
7131                         stack();
7132                 }
7133                 /* Apply flip */
7134                 if (f) {
7135                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7136                             SWM_ARG_ID_FLIPLAYOUT);
7137                         stack();
7138                 }
7139         }
7140
7141         focus_flush();
7142
7143         return (0);
7144 }
7145
7146 /* config options */
7147 struct config_option {
7148         char                    *optname;
7149         int                     (*func)(char*, char*, int);
7150         int                     funcflags;
7151 };
7152 struct config_option configopt[] = {
7153         { "autorun",                    setautorun,     0 },
7154         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7155         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7156         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7157         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7158         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7159         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7160         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7161         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7162         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7163         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7164         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7165         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7166         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7167         { "bind",                       setconfbinding, 0 },
7168         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7169         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7170         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7171         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7172         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7173         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7174         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7175         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7176         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7177         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7178         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7179         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7180         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7181         { "keyboard_mapping",           setkeymapping,  0 },
7182         { "layout",                     setlayout,      0 },
7183         { "modkey",                     setconfmodkey,  0 },
7184         { "program",                    setconfspawn,   0 },
7185         { "quirk",                      setconfquirk,   0 },
7186         { "region",                     setconfregion,  0 },
7187         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7188         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7189         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7190         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7191         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7192         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7193         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7194         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7195         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7196         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7197         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7198         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7199         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7200         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7201 };
7202
7203 void
7204 _add_startup_exception(const char *fmt, va_list ap)
7205 {
7206         if (vasprintf(&startup_exception, fmt, ap) == -1)
7207                 warn("%s: asprintf", __func__);
7208 }
7209
7210 void
7211 add_startup_exception(const char *fmt, ...)
7212 {
7213         va_list ap;
7214
7215         nr_exceptions++;
7216
7217         if (startup_exception)
7218                 return;
7219
7220         /* force bar to be enabled due to exception */
7221         bar_enabled = 1;
7222
7223         va_start(ap, fmt);
7224         _add_startup_exception(fmt, ap);
7225         va_end(ap);
7226 }
7227
7228 int
7229 conf_load(const char *filename, int keymapping)
7230 {
7231         FILE                    *config;
7232         char                    *line = NULL, *cp, *optsub, *optval;
7233         size_t                  linelen, lineno = 0;
7234         int                     wordlen, i, optidx;
7235         struct config_option    *opt = NULL;
7236
7237         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7238
7239         if (filename == NULL) {
7240                 warnx("conf_load: no filename");
7241                 return (1);
7242         }
7243         if ((config = fopen(filename, "r")) == NULL) {
7244                 warn("conf_load: fopen: %s", filename);
7245                 return (1);
7246         }
7247
7248         while (!feof(config)) {
7249                 if (line)
7250                         free(line);
7251
7252                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
7253                     == NULL) {
7254                         if (ferror(config))
7255                                 err(1, "%s", filename);
7256                         else
7257                                 continue;
7258                 }
7259                 cp = line;
7260                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7261                 if (cp[0] == '\0') {
7262                         /* empty line */
7263                         continue;
7264                 }
7265                 /* get config option */
7266                 wordlen = strcspn(cp, "=[ \t\n");
7267                 if (wordlen == 0) {
7268                         add_startup_exception("%s: line %zd: no option found",
7269                             filename, lineno);
7270                         continue;
7271                 }
7272                 optidx = -1;
7273                 for (i = 0; i < LENGTH(configopt); i++) {
7274                         opt = &configopt[i];
7275                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7276                             (int)strlen(opt->optname) == wordlen) {
7277                                 optidx = i;
7278                                 break;
7279                         }
7280                 }
7281                 if (optidx == -1) {
7282                         add_startup_exception("%s: line %zd: unknown option "
7283                             "%.*s", filename, lineno, wordlen, cp);
7284                         continue;
7285                 }
7286                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7287                         add_startup_exception("%s: line %zd: invalid option "
7288                             "%.*s", filename, lineno, wordlen, cp);
7289                         continue;
7290                 }
7291                 cp += wordlen;
7292                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7293
7294                 /* from here on out we call goto invalid to continue */
7295
7296                 /* get [selector] if any */
7297                 optsub = NULL;
7298                 if (*cp == '[') {
7299                         cp++;
7300                         wordlen = strcspn(cp, "]");
7301                         if (*cp != ']') {
7302                                 if (wordlen == 0) {
7303                                         add_startup_exception("%s: line %zd: "
7304                                             "syntax error", filename, lineno);
7305                                         goto invalid;
7306                                 }
7307
7308                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7309                                     -1) {
7310                                         add_startup_exception("%s: line %zd: "
7311                                             "unable to allocatememory for "
7312                                             "selector", filename, lineno);
7313                                         goto invalid;
7314                                 }
7315                         }
7316                         cp += wordlen;
7317                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7318                 }
7319                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7320                 /* get RHS value */
7321                 optval = strdup(cp);
7322                 if (strlen(optval) == 0) {
7323                         add_startup_exception("%s: line %zd: must supply value "
7324                             "to %s", filename, lineno,
7325                             configopt[optidx].optname);
7326                         goto invalid;
7327                 }
7328                 /* call function to deal with it all */
7329                 if (configopt[optidx].func(optsub, optval,
7330                     configopt[optidx].funcflags) != 0) {
7331                         add_startup_exception("%s: line %zd: invalid data for "
7332                             "%s", filename, lineno, configopt[optidx].optname);
7333                         goto invalid;
7334                 }
7335 invalid:
7336                 if (optval) {
7337                         free(optval);
7338                         optval = NULL;
7339                 }
7340                 if (optsub) {
7341                         free(optsub);
7342                         optsub = NULL;
7343                 }
7344         }
7345
7346         if (line)
7347                 free(line);
7348         fclose(config);
7349         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7350
7351         return (0);
7352 }
7353
7354 void
7355 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7356 {
7357         struct ws_win           *parent, *w;
7358         struct swm_region       *r;
7359         struct workspace        *ws;
7360         xcb_icccm_wm_hints_t    wmh;
7361
7362         parent = find_window(win->transient);
7363         if (parent)
7364                 parent->focus_child = win;
7365         else {
7366                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7367                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7368
7369                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7370                 ws = r->ws;
7371                 /* parent doen't exist in our window list */
7372                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7373                         if (xcb_icccm_get_wm_hints_reply(conn,
7374                             xcb_icccm_get_wm_hints(conn, w->id),
7375                             &wmh, NULL) != 1) {
7376                                 warnx("can't get hints for 0x%x", w->id);
7377                                 continue;
7378                         }
7379
7380                         if (win->hints.window_group != wmh.window_group)
7381                                 continue;
7382
7383                         w->focus_child = win;
7384                         win->transient = w->id;
7385                         *trans = w->id;
7386                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7387                             "transient to 0x%x\n", win->transient);
7388                         break;
7389                 }
7390         }
7391 }
7392
7393 pid_t
7394 window_get_pid(xcb_window_t win)
7395 {
7396         pid_t                           ret = 0;
7397         const char                      *errstr;
7398         xcb_atom_t                      apid;
7399         xcb_get_property_cookie_t       pc;
7400         xcb_get_property_reply_t        *pr;
7401
7402         apid = get_atom_from_string("_NET_WM_PID");
7403         if (apid == XCB_ATOM_NONE)
7404                 goto tryharder;
7405
7406         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7407         pr = xcb_get_property_reply(conn, pc, NULL);
7408         if (!pr)
7409                 goto tryharder;
7410         if (pr->type != XCB_ATOM_CARDINAL) {
7411                 free(pr);
7412                 goto tryharder;
7413         }
7414
7415         if (pr->type == apid && pr->format == 32)
7416                 ret = *((pid_t *)xcb_get_property_value(pr));
7417         free(pr);
7418
7419         return (ret);
7420
7421 tryharder:
7422         apid = get_atom_from_string("_SWM_PID");
7423         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7424             0, SWM_PROPLEN);
7425         pr = xcb_get_property_reply(conn, pc, NULL);
7426         if (!pr)
7427                 return (0);
7428         if (pr->type != apid) {
7429                 free(pr);
7430                 return (0);
7431         }
7432
7433         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7434         free(pr);
7435
7436         return (ret);
7437 }
7438
7439 int
7440 get_ws_idx(xcb_window_t id)
7441 {
7442         int                     ws_idx = -1;
7443         char                    *prop = NULL;
7444         size_t                  proplen;
7445         const char              *errstr;
7446         xcb_get_property_reply_t        *gpr;
7447
7448         gpr = xcb_get_property_reply(conn,
7449                 xcb_get_property(conn, 0, id, a_swm_ws,
7450                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7451                 NULL);
7452         if (!gpr)
7453                 return (-1);
7454         if (gpr->type) {
7455                 proplen = xcb_get_property_value_length(gpr);
7456                 if (proplen > 0) {
7457                         prop = malloc(proplen + 1);
7458                         if (prop) {
7459                                 memcpy(prop,
7460                                     xcb_get_property_value(gpr),
7461                                     proplen);
7462                                 prop[proplen] = '\0';
7463                         }
7464                 }
7465         }
7466         free(gpr);
7467
7468         if (prop) {
7469                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7470                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7471                 if (errstr) {
7472                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7473                             errstr, prop);
7474                 }
7475                 free(prop);
7476         }
7477
7478         return ws_idx;
7479 }
7480
7481 struct ws_win *
7482 manage_window(xcb_window_t id, uint16_t mapped)
7483 {
7484         xcb_window_t            trans = XCB_WINDOW_NONE;
7485         struct ws_win           *win, *ww;
7486         int                     ws_idx;
7487         char                    ws_idx_str[SWM_PROPLEN];
7488         struct swm_region       *r;
7489         struct pid_e            *p;
7490         struct quirk            *qp;
7491         uint32_t                i, wa[2];
7492         xcb_icccm_get_wm_protocols_reply_t      wpr;
7493
7494         if ((win = find_window(id)) != NULL) {
7495                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7496                     "managed; skipping.)\n", id);
7497                 return (win);   /* Already managed. */
7498         }
7499
7500         /* See if window is on the unmanaged list. */
7501         if ((win = find_unmanaged_window(id)) != NULL) {
7502                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7503                     "unmanaged list.\n", id);
7504                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7505
7506                 if (win->transient)
7507                         set_child_transient(win, &trans);
7508
7509                 goto out;
7510         } else {
7511                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7512         }
7513
7514         /* Create and initialize ws_win object. */
7515         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7516                 err(1, "manage_window: calloc: failed to allocate memory for "
7517                     "new window");
7518
7519         win->id = id;
7520
7521         /* Get window geometry. */
7522         win->wa = xcb_get_geometry_reply(conn,
7523             xcb_get_geometry(conn, win->id),
7524             NULL);
7525
7526         /* Figure out which region the window belongs to. */
7527         r = root_to_region(win->wa->root, SWM_CK_ALL);
7528
7529         /* Ignore window border if there is one. */
7530         WIDTH(win) = win->wa->width;
7531         HEIGHT(win) = win->wa->height;
7532         X(win) = win->wa->x + win->wa->border_width - border_width;
7533         Y(win) = win->wa->y + win->wa->border_width - border_width;
7534         win->bordered = 1;
7535         win->mapped = mapped;
7536         win->floatmaxed = 0;
7537         win->ewmh_flags = 0;
7538         win->s = r->s;  /* this never changes */
7539
7540         store_float_geom(win, r);
7541
7542         /* Get WM_SIZE_HINTS. */
7543         xcb_icccm_get_wm_normal_hints_reply(conn,
7544             xcb_icccm_get_wm_normal_hints(conn, win->id),
7545             &win->sh, NULL);
7546
7547         /* Get WM_HINTS. */
7548         xcb_icccm_get_wm_hints_reply(conn,
7549             xcb_icccm_get_wm_hints(conn, win->id),
7550             &win->hints, NULL);
7551
7552         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7553         xcb_icccm_get_wm_transient_for_reply(conn,
7554             xcb_icccm_get_wm_transient_for(conn, win->id),
7555             &trans, NULL);
7556         if (trans) {
7557                 win->transient = trans;
7558                 set_child_transient(win, &win->transient);
7559         }
7560
7561         /* Get supported protocols. */
7562         if (xcb_icccm_get_wm_protocols_reply(conn,
7563             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7564             &wpr, NULL)) {
7565                 for (i = 0; i < wpr.atoms_len; i++) {
7566                         if (wpr.atoms[i] == a_takefocus)
7567                                 win->take_focus = 1;
7568                         if (wpr.atoms[i] == a_delete)
7569                                 win->can_delete = 1;
7570                 }
7571                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7572         }
7573
7574         win->iconic = get_swm_iconic(win);
7575
7576         /* Figure out which workspace the window belongs to. */
7577         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7578                 win->ws = &r->s->ws[p->ws];
7579                 TAILQ_REMOVE(&pidlist, p, entry);
7580                 free(p);
7581                 p = NULL;
7582         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7583             !win->transient) {
7584                 /* _SWM_WS is set; use that. */
7585                 win->ws = &r->s->ws[ws_idx];
7586         } else if (trans && (ww = find_window(trans)) != NULL) {
7587                 /* Launch transients in the same ws as parent. */
7588                 win->ws = ww->ws;
7589         } else {
7590                 win->ws = r->ws;
7591         }
7592
7593         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7594         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7595             SWM_PROPLEN) {
7596                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7597                     ws_idx_str);
7598                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7599                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7600                     ws_idx_str);
7601         }
7602
7603         /* Handle EWMH */
7604         ewmh_autoquirk(win);
7605
7606         /* Determine initial quirks. */
7607         if (xcb_icccm_get_wm_class_reply(conn,
7608             xcb_icccm_get_wm_class(conn, win->id),
7609             &win->ch, NULL)) {
7610                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7611                     win->ch.class_name, win->ch.instance_name);
7612
7613                 /* java is retarded so treat it special */
7614                 if (strstr(win->ch.instance_name, "sun-awt")) {
7615                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7616                             "detected.\n");
7617                         win->java = 1;
7618                 }
7619
7620                 TAILQ_FOREACH(qp, &quirks, entry) {
7621                         if (!strcmp(win->ch.class_name, qp->class) &&
7622                             !strcmp(win->ch.instance_name, qp->name)) {
7623                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7624                                     "list; mask: 0x%lx\n", qp->quirk);
7625                                 if (qp->quirk & SWM_Q_FLOAT)
7626                                         win->floating = 1;
7627                                 win->quirks = qp->quirk;
7628                         }
7629                 }
7630         }
7631
7632         /* Alter window position if quirky */
7633         if (win->quirks & SWM_Q_ANYWHERE)
7634                 win->manual = 1;
7635
7636         /* Reset font sizes (the bruteforce way; no default keybinding). */
7637         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7638                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7639                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7640                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7641                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7642         }
7643
7644         /* Make sure window is positioned inside its region, if its active. */
7645         if (win->ws->r) {
7646                 constrain_window(win, win->ws->r, 0);
7647                 update_window(win);
7648         }
7649
7650         /* Select which X events to monitor and set border pixel color. */
7651         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7652         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7653             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7654 #ifdef SWM_DEBUG
7655         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7656 #endif
7657
7658         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7659             XCB_CW_EVENT_MASK, wa);
7660
7661 out:
7662         /* Figure out where to stack the window in the workspace. */
7663         if (trans && (ww = find_window(trans)))
7664                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7665         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7666                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7667                     entry);
7668         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7669                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7670         else switch (spawn_position) {
7671         default:
7672         case SWM_STACK_TOP:
7673         case SWM_STACK_ABOVE:
7674                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7675                 break;
7676         case SWM_STACK_BOTTOM:
7677         case SWM_STACK_BELOW:
7678                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7679         }
7680
7681         /* Get initial _NET_WM_STATE */
7682         ewmh_get_win_state(win);
7683         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7684         ewmh_update_actions(win);
7685
7686         grabbuttons(win);
7687
7688         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7689             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7690             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7691             YESNO(win->iconic), win->transient);
7692
7693         return (win);
7694 }
7695
7696 void
7697 free_window(struct ws_win *win)
7698 {
7699         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7700
7701         if (win == NULL)
7702                 return;
7703
7704         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7705
7706         if (win->wa)
7707                 free(win->wa);
7708
7709         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7710
7711         kill_refs(win);
7712
7713         /* paint memory */
7714         memset(win, 0xff, sizeof *win); /* XXX kill later */
7715
7716         free(win);
7717         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7718 }
7719
7720 void
7721 unmanage_window(struct ws_win *win)
7722 {
7723         struct ws_win           *parent;
7724
7725         if (win == NULL)
7726                 return;
7727
7728         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7729
7730         if (win->transient) {
7731                 parent = find_window(win->transient);
7732                 if (parent)
7733                         parent->focus_child = NULL;
7734         }
7735
7736         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7737         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7738 }
7739
7740 void
7741 expose(xcb_expose_event_t *e)
7742 {
7743         int                     i, num_screens;
7744         struct swm_region       *r;
7745
7746         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7747
7748         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7749         for (i = 0; i < num_screens; i++)
7750                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7751                         if (e->window == WINID(r->bar))
7752                                 bar_draw();
7753
7754         xcb_flush(conn);
7755 }
7756
7757 #ifdef SWM_DEBUG
7758 void
7759 focusin(xcb_focus_in_event_t *e)
7760 {
7761         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7762             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7763             e->mode, get_notify_detail_label(e->detail), e->detail);
7764 }
7765
7766 void
7767 focusout(xcb_focus_out_event_t *e)
7768 {
7769         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7770             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7771             e->mode, get_notify_detail_label(e->detail), e->detail);
7772 }
7773 #endif
7774
7775 void
7776 keypress(xcb_key_press_event_t *e)
7777 {
7778         xcb_keysym_t            keysym;
7779         struct key              *kp;
7780
7781         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7782
7783         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
7784             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7785             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
7786             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
7787             e->child, e->state, YESNO(e->same_screen));
7788
7789         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7790                 goto out;
7791
7792         last_event_time = e->time;
7793
7794         if (kp->funcid == KF_SPAWN_CUSTOM)
7795                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7796                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7797         else if (keyfuncs[kp->funcid].func)
7798                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7799                     &(keyfuncs[kp->funcid].args));
7800
7801 out:
7802         /* Unfreeze grab events. */
7803         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
7804         xcb_flush(conn);
7805
7806         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
7807 }
7808
7809 void
7810 buttonpress(xcb_button_press_event_t *e)
7811 {
7812         struct ws_win           *win = NULL;
7813         struct swm_region       *r, *old_r;
7814         int                     i;
7815         int                     handled = 0;
7816
7817         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7818             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7819             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7820             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7821             e->state, YESNO(e->same_screen));
7822
7823         if (e->event == e->root) {
7824                 if (e->child != 0) {
7825                         win = find_window(e->child);
7826                         /* Pass ButtonPress to window if it isn't managed. */
7827                         if (win == NULL)
7828                                 goto out;
7829                 } else {
7830                         /* Focus on empty region */
7831                         /* If no windows on region if its empty. */
7832                         r = root_to_region(e->root, SWM_CK_POINTER);
7833                         if (r == NULL) {
7834                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
7835                                     "NULL region; ignoring.\n");
7836                                 goto out;
7837                         }
7838
7839                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7840                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7841                                 if (old_r && old_r != r)
7842                                         unfocus_win(old_r->ws->focus);
7843
7844                                 xcb_set_input_focus(conn,
7845                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7846
7847                                 /* Clear bar since empty. */
7848                                 bar_draw();
7849
7850                                 handled = 1;
7851                                 goto out;
7852                         }
7853                 }
7854         } else {
7855                 win = find_window(e->event);
7856         }
7857
7858         if (win == NULL)
7859                 goto out;
7860
7861         last_event_time = e->time;
7862
7863         focus_win(get_focus_magic(win));
7864
7865         for (i = 0; i < LENGTH(buttons); i++)
7866                 if (client_click == buttons[i].action && buttons[i].func &&
7867                     buttons[i].button == e->detail &&
7868                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7869                         buttons[i].func(win, &buttons[i].args);
7870                         handled = 1;
7871                 }
7872
7873 out:
7874         if (!handled) {
7875                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7876                 /* Replay event to event window */
7877                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7878         } else {
7879                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7880                 /* Unfreeze grab events. */
7881                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7882         }
7883
7884         xcb_flush(conn);
7885 }
7886
7887 #ifdef SWM_DEBUG
7888 void
7889 print_win_geom(xcb_window_t w)
7890 {
7891         xcb_get_geometry_reply_t        *wa;
7892
7893         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7894
7895         if (!wa) {
7896                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7897                     w);
7898                 return;
7899         }
7900
7901         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7902             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7903             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7904             wa->border_width);
7905
7906         free(wa);
7907 }
7908 #endif
7909
7910 #ifdef SWM_DEBUG
7911 char *
7912 get_stack_mode_name(uint8_t mode)
7913 {
7914         char    *name;
7915
7916         switch(mode) {
7917         case XCB_STACK_MODE_ABOVE:
7918                 name = "Above";
7919                 break;
7920         case XCB_STACK_MODE_BELOW:
7921                 name = "Below";
7922                 break;
7923         case XCB_STACK_MODE_TOP_IF:
7924                 name = "TopIf";
7925                 break;
7926         case XCB_STACK_MODE_BOTTOM_IF:
7927                 name = "BottomIf";
7928                 break;
7929         case XCB_STACK_MODE_OPPOSITE:
7930                 name = "Opposite";
7931                 break;
7932         default:
7933                 name = "Unknown";
7934         }
7935
7936         return name;
7937 }
7938 #endif
7939
7940 void
7941 configurerequest(xcb_configure_request_event_t *e)
7942 {
7943         struct ws_win           *win;
7944         struct swm_region       *r = NULL;
7945         int                     new = 0, i = 0;
7946         uint16_t                mask = 0;
7947         uint32_t                wc[7] = {0};
7948
7949         if ((win = find_window(e->window)) == NULL)
7950                 if ((win = find_unmanaged_window(e->window)) == NULL)
7951                         new = 1;
7952
7953 #ifdef SWM_DEBUG
7954         if (swm_debug & SWM_D_EVENT) {
7955                 print_win_geom(e->window);
7956
7957                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7958                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7959                     e->parent, YESNO(new), e->value_mask);
7960                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7961                         DPRINTF("X: %d ", e->x);
7962                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7963                         DPRINTF("Y: %d ", e->y);
7964                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7965                         DPRINTF("W: %u ", e->width);
7966                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7967                         DPRINTF("H: %u ", e->height);
7968                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7969                         DPRINTF("Border: %u ", e->border_width);
7970                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7971                         DPRINTF("Sibling: 0x%x ", e->sibling);
7972                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7973                         DPRINTF("StackMode: %s(%u) ",
7974                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7975                 DPRINTF("}\n");
7976         }
7977 #endif
7978
7979         if (new) {
7980                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7981                         mask |= XCB_CONFIG_WINDOW_X;
7982                         wc[i++] = e->x;
7983                 }
7984                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7985                         mask |= XCB_CONFIG_WINDOW_Y;
7986                         wc[i++] = e->y;
7987                 }
7988                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7989                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7990                         wc[i++] = e->width;
7991                 }
7992                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7993                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7994                         wc[i++] = e->height;
7995                 }
7996                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7997                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7998                         wc[i++] = e->border_width;
7999                 }
8000                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8001                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8002                         wc[i++] = e->sibling;
8003                 }
8004                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8005                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8006                         wc[i++] = e->stack_mode;
8007                 }
8008
8009                 if (mask != 0) {
8010                         xcb_configure_window(conn, e->window, mask, wc);
8011                         xcb_flush(conn);
8012                 }
8013         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8014             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8015                 if (win->ws->r)
8016                         r = win->ws->r;
8017                 else if (win->ws->old_r)
8018                         r = win->ws->old_r;
8019
8020                 /* windows are centered unless ANYWHERE quirk is set. */
8021                 if (win->quirks & SWM_Q_ANYWHERE) {
8022                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8023                                 win->g_float.x = e->x;
8024                                 if (r)
8025                                         win->g_float.x -= X(r);
8026                         }
8027
8028                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8029                                 win->g_float.y = e->y;
8030                                 if (r)
8031                                         win->g_float.y -= Y(r);
8032                         }
8033                 }
8034
8035                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8036                         win->g_float.w = e->width;
8037
8038                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8039                         win->g_float.h = e->height;
8040
8041                 win->g_floatvalid = 1;
8042
8043                 if (win->floating && r && (win->transient ||
8044                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8045                         WIDTH(win) = win->g_float.w;
8046                         HEIGHT(win) = win->g_float.h;
8047
8048                         if (r) {
8049                                 stack_floater(win, r);
8050                                 focus_flush();
8051                         }
8052                 } else {
8053                         config_win(win, e);
8054                         xcb_flush(conn);
8055                 }
8056         } else {
8057                 config_win(win, e);
8058                 xcb_flush(conn);
8059         }
8060
8061         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8062 }
8063
8064 void
8065 configurenotify(xcb_configure_notify_event_t *e)
8066 {
8067         struct ws_win           *win;
8068
8069         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8070             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8071             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8072             e->width, e->height, e->border_width, e->above_sibling,
8073             YESNO(e->override_redirect));
8074
8075         win = find_window(e->window);
8076         if (win) {
8077                 xcb_icccm_get_wm_normal_hints_reply(conn,
8078                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8079                     &win->sh, NULL);
8080                 adjust_font(win);
8081                 if (font_adjusted) {
8082                         stack();
8083                         xcb_flush(conn);
8084                 }
8085         }
8086 }
8087
8088 void
8089 destroynotify(xcb_destroy_notify_event_t *e)
8090 {
8091         struct ws_win           *win;
8092
8093         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8094
8095         if ((win = find_window(e->window)) == NULL) {
8096                 if ((win = find_unmanaged_window(e->window)) == NULL)
8097                         return;
8098                 free_window(win);
8099                 return;
8100         }
8101
8102         if (focus_mode != SWM_FOCUS_FOLLOW) {
8103                 /* If we were focused, make sure we focus on something else. */
8104                 if (win == win->ws->focus)
8105                         win->ws->focus_pending = get_focus_prev(win);
8106         }
8107
8108         unmanage_window(win);
8109         stack();
8110
8111         if (focus_mode != SWM_FOCUS_FOLLOW) {
8112                 if (win->ws->focus_pending) {
8113                         focus_win(win->ws->focus_pending);
8114                         win->ws->focus_pending = NULL;
8115                 }
8116         }
8117
8118         free_window(win);
8119
8120         focus_flush();
8121 }
8122
8123 #ifdef SWM_DEBUG
8124 char *
8125 get_notify_detail_label(uint8_t detail)
8126 {
8127         char *label;
8128
8129         switch (detail) {
8130         case XCB_NOTIFY_DETAIL_ANCESTOR:
8131                 label = "Ancestor";
8132                 break;
8133         case XCB_NOTIFY_DETAIL_VIRTUAL:
8134                 label = "Virtual";
8135                 break;
8136         case XCB_NOTIFY_DETAIL_INFERIOR:
8137                 label = "Inferior";
8138                 break;
8139         case XCB_NOTIFY_DETAIL_NONLINEAR:
8140                 label = "Nonlinear";
8141                 break;
8142         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8143                 label = "NonlinearVirtual";
8144                 break;
8145         case XCB_NOTIFY_DETAIL_POINTER:
8146                 label = "Pointer";
8147                 break;
8148         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8149                 label = "PointerRoot";
8150                 break;
8151         case XCB_NOTIFY_DETAIL_NONE:
8152                 label = "None";
8153                 break;
8154         default:
8155                 label = "Unknown";
8156         }
8157
8158         return label;
8159 }
8160
8161 char *
8162 get_notify_mode_label(uint8_t mode)
8163 {
8164         char *label;
8165
8166         switch (mode) {
8167         case XCB_NOTIFY_MODE_NORMAL:
8168                 label = "Normal";
8169                 break;
8170         case XCB_NOTIFY_MODE_GRAB:
8171                 label = "Grab";
8172                 break;
8173         case XCB_NOTIFY_MODE_UNGRAB:
8174                 label = "Ungrab";
8175                 break;
8176         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8177                 label = "WhileGrabbed";
8178                 break;
8179         default:
8180                 label = "Unknown";
8181         }
8182
8183         return label;
8184 }
8185 #endif
8186
8187 void
8188 enternotify(xcb_enter_notify_event_t *e)
8189 {
8190         struct ws_win           *win;
8191         struct swm_region       *r;
8192
8193         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8194             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8195             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8196             e->time, e->event, e->event_x, e->event_y,
8197             get_notify_mode_label(e->mode), e->mode,
8198             get_notify_detail_label(e->detail), e->detail,
8199             e->root, e->root_x, e->root_y, e->child,
8200             YESNO(e->same_screen_focus), e->state);
8201
8202         if (focus_mode == SWM_FOCUS_MANUAL &&
8203             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8204                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8205                 return;
8206         }
8207
8208         last_event_time = e->time;
8209
8210         if ((win = find_window(e->event)) == NULL) {
8211                 if (e->event == e->root) {
8212                         /* If no windows on pointer region, then focus root. */
8213                         r = root_to_region(e->root, SWM_CK_POINTER);
8214                         if (r == NULL) {
8215                                 DNPRINTF(SWM_D_EVENT, "enterntoify: "
8216                                     "NULL region; ignoring.\n");
8217                                 return;
8218                         }
8219
8220                         focus_region(r);
8221                 } else {
8222                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8223                             "ignoring\n");
8224                         return;
8225                 }
8226         } else {
8227                 focus_win(get_focus_magic(win));
8228         }
8229
8230         focus_flush();
8231 }
8232
8233 #ifdef SWM_DEBUG
8234 void
8235 leavenotify(xcb_leave_notify_event_t *e)
8236 {
8237         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8238             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8239             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8240             e->time, e->event, e->event_x, e->event_y,
8241             get_notify_mode_label(e->mode), e->mode,
8242             get_notify_detail_label(e->detail), e->detail,
8243             e->root, e->root_x, e->root_y, e->child,
8244             YESNO(e->same_screen_focus), e->state);
8245 }
8246 #endif
8247
8248 void
8249 mapnotify(xcb_map_notify_event_t *e)
8250 {
8251         struct ws_win           *win;
8252
8253         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8254
8255         if ((win = find_window(e->window)) == NULL)
8256                 win = manage_window(e->window, 1);
8257
8258         win->mapped = 1;
8259         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8260
8261         if (focus_mode != SWM_FOCUS_FOLLOW) {
8262                 if (win->ws->focus_pending == win) {
8263                         focus_win(win);
8264                         win->ws->focus_pending = NULL;
8265                         focus_flush();
8266                 }
8267         }
8268
8269         xcb_flush(conn);
8270 }
8271
8272 void
8273 mappingnotify(xcb_mapping_notify_event_t *e)
8274 {
8275         xcb_refresh_keyboard_mapping(syms, e);
8276
8277         if (e->request == XCB_MAPPING_KEYBOARD)
8278                 grabkeys();
8279 }
8280
8281 void
8282 maprequest(xcb_map_request_event_t *e)
8283 {
8284         struct ws_win           *win;
8285         xcb_get_window_attributes_reply_t *war;
8286
8287         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8288             e->window);
8289
8290         war = xcb_get_window_attributes_reply(conn,
8291             xcb_get_window_attributes(conn, e->window),
8292             NULL);
8293         if (war == NULL) {
8294                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8295                 goto out;
8296         }
8297
8298         if (war->override_redirect) {
8299                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8300                     "skipping.\n");
8301                 goto out;
8302         }
8303
8304         win = manage_window(e->window,
8305             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8306
8307         /* The new window should get focus; prepare. */
8308         if (focus_mode != SWM_FOCUS_FOLLOW)
8309                 win->ws->focus_pending = get_focus_magic(win);
8310
8311         /* All windows need to be mapped if they are in the current workspace.*/
8312         if (win->ws->r)
8313                 stack();
8314
8315         /* Ignore EnterNotify to handle the mapnotify without interference. */
8316         if (focus_mode == SWM_FOCUS_DEFAULT)
8317                 event_drain(XCB_ENTER_NOTIFY);
8318 out:
8319         free(war);
8320         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8321 }
8322
8323 void
8324 motionnotify(xcb_motion_notify_event_t *e)
8325 {
8326         struct swm_region       *r;
8327         int                     i, num_screens;
8328
8329         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8330             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8331             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8332             e->time, e->event, e->event_x, e->event_y,
8333             get_notify_detail_label(e->detail), e->detail,
8334             e->root, e->root_x, e->root_y, e->child,
8335             YESNO(e->same_screen), e->state);
8336
8337         last_event_time = e->time;
8338
8339         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8340         for (i = 0; i < num_screens; i++)
8341                 if (screens[i].root == e->root)
8342                         break;
8343
8344         TAILQ_FOREACH(r, &screens[i].rl, entry)
8345                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8346                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8347                         break;
8348
8349         focus_region(r);
8350 }
8351
8352 #ifdef SWM_DEBUG
8353 char *
8354 get_atom_name(xcb_atom_t atom)
8355 {
8356         char                            *name = NULL;
8357 #if 0
8358         /*
8359          * This should be disabled during most debugging since
8360          * xcb_get_* causes an xcb_flush.
8361          */
8362         size_t                          len;
8363         xcb_get_atom_name_reply_t       *r;
8364
8365         r = xcb_get_atom_name_reply(conn,
8366             xcb_get_atom_name(conn, atom),
8367             NULL);
8368         if (r) {
8369                 len = xcb_get_atom_name_name_length(r);
8370                 if (len > 0) {
8371                         name = malloc(len + 1);
8372                         if (name) {
8373                                 memcpy(name, xcb_get_atom_name_name(r), len);
8374                                 name[len] = '\0';
8375                         }
8376                 }
8377                 free(r);
8378         }
8379 #else
8380         (void)atom;
8381 #endif
8382         return (name);
8383 }
8384 #endif
8385
8386 void
8387 propertynotify(xcb_property_notify_event_t *e)
8388 {
8389         struct ws_win           *win;
8390 #ifdef SWM_DEBUG
8391         char                    *name;
8392
8393         name = get_atom_name(e->atom);
8394         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8395             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8396             e->state);
8397         free(name);
8398 #endif
8399         win = find_window(e->window);
8400         if (win == NULL)
8401                 return;
8402
8403         last_event_time = e->time;
8404
8405         if (e->atom == a_swm_iconic) {
8406                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8407                         if (focus_mode != SWM_FOCUS_FOLLOW)
8408                                 win->ws->focus_pending = get_focus_prev(win);
8409
8410                         unfocus_win(win);
8411                         unmap_window(win);
8412
8413                         if (win->ws->r) {
8414                                 stack();
8415                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8416                                         focus_win(win->ws->focus_pending);
8417                                         win->ws->focus_pending = NULL;
8418                                 }
8419                                 focus_flush();
8420                         }
8421                 } else if (e->state == XCB_PROPERTY_DELETE) {
8422                         /* The window is no longer iconic, restack ws. */
8423                         if (focus_mode != SWM_FOCUS_FOLLOW)
8424                                 win->ws->focus_pending = get_focus_magic(win);
8425
8426                         stack();
8427
8428                         /* Flush EnterNotify for mapnotify, if needed. */
8429                         focus_flush();
8430                 }
8431         } else if (e->atom == a_state) {
8432                 /* State just changed, make sure it gets focused if mapped. */
8433                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8434                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8435                                 if (win->mapped &&
8436                                     win->ws->focus_pending == win) {
8437                                         focus_win(win->ws->focus_pending);
8438                                         win->ws->focus_pending = NULL;
8439                                 }
8440                         }
8441                 }
8442         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8443             e->atom == XCB_ATOM_WM_NAME) {
8444                 bar_draw();
8445         }
8446
8447         xcb_flush(conn);
8448 }
8449
8450 void
8451 unmapnotify(xcb_unmap_notify_event_t *e)
8452 {
8453         struct ws_win           *win;
8454         struct workspace        *ws;
8455
8456         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8457
8458         /* If we aren't managing the window, then ignore. */
8459         win = find_window(e->window);
8460         if (win == NULL || win->id != e->window)
8461                 return;
8462
8463         ws = win->ws;
8464
8465         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8466                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8467
8468         if (win->mapped) {
8469                 /* window unmapped itself */
8470                 /* do unmap/unfocus/restack and unmanage */
8471                 win->mapped = 0;
8472
8473                 /* If win was focused, make sure to focus on something else. */
8474                 if (win == ws->focus) {
8475                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8476                                 ws->focus_pending = get_focus_prev(win);
8477                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8478                                     "focus_pending: 0x%x\n",
8479                                     WINID(ws->focus_pending));
8480                         }
8481
8482                         unfocus_win(win);
8483                 }
8484
8485                 unmanage_window(win);
8486
8487                 if (ws->r)
8488                         stack();
8489
8490                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8491                         if (ws->r)
8492                                 focus_win(get_pointer_win(ws->r->s->root));
8493                 } else {
8494                         if (ws->focus_pending) {
8495                                 focus_win(ws->focus_pending);
8496                                 ws->focus_pending = NULL;
8497                         }
8498                 }
8499         }
8500
8501         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8502                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8503
8504         focus_flush();
8505 }
8506
8507 #if 0
8508 void
8509 visibilitynotify(xcb_visibility_notify_event_t *e)
8510 {
8511         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8512             e->window);
8513 }
8514 #endif
8515
8516 void
8517 clientmessage(xcb_client_message_event_t *e)
8518 {
8519         struct ws_win *win;
8520         xcb_map_request_event_t mre;
8521 #ifdef SWM_DEBUG
8522         char                    *name;
8523
8524         name = get_atom_name(e->type);
8525         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8526             e->window, name, e->type);
8527         free(name);
8528 #endif
8529         win = find_window(e->window);
8530
8531         if (win == NULL) {
8532                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8533                         /* Manage the window with maprequest. */
8534                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8535                             "unmanaged window.\n");
8536                         mre.window = e->window;
8537                         maprequest(&mre);
8538                 }
8539                 return;
8540         }
8541
8542         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8543                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8544                 focus_win(win);
8545         }
8546         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8547                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8548                 if (win->can_delete)
8549                         client_msg(win, a_delete, 0);
8550                 else
8551                         xcb_kill_client(conn, win->id);
8552         }
8553         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8554                 DNPRINTF(SWM_D_EVENT,
8555                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8556                 if (win->floating) {
8557                         if (e->data.data32[0] & (1<<8)) /* x */
8558                                 X(win) = e->data.data32[1];
8559                         if (e->data.data32[0] & (1<<9)) /* y */
8560                                 Y(win) = e->data.data32[2];
8561                         if (e->data.data32[0] & (1<<10)) /* width */
8562                                 WIDTH(win) = e->data.data32[3];
8563                         if (e->data.data32[0] & (1<<11)) /* height */
8564                                 HEIGHT(win) = e->data.data32[4];
8565
8566                         update_window(win);
8567                 }
8568                 else {
8569                         /* TODO: Change stack sizes */
8570                         /* notify no change was made. */
8571                         config_win(win, NULL);
8572                 }
8573         }
8574         if (e->type == ewmh[_NET_WM_STATE].atom) {
8575                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8576                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8577                 if (e->data.data32[2])
8578                         ewmh_update_win_state(win, e->data.data32[2],
8579                             e->data.data32[0]);
8580
8581                 stack();
8582         }
8583
8584         focus_flush();
8585 }
8586
8587 void
8588 check_conn(void)
8589 {
8590         int      errcode = xcb_connection_has_error(conn);
8591 #ifdef XCB_CONN_ERROR
8592         char    *s;
8593         switch (errcode) {
8594         case XCB_CONN_ERROR:
8595                 s = "Socket error, pipe error or other stream error.";
8596                 break;
8597         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8598                 s = "Extension not supported.";
8599                 break;
8600         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8601                 s = "Insufficient memory.";
8602                 break;
8603         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8604                 s = "Request length was exceeded.";
8605                 break;
8606         case XCB_CONN_CLOSED_PARSE_ERR:
8607                 s = "Error parsing display string.";
8608                 break;
8609         default:
8610                 s = "Unknown error.";
8611         }
8612         if (errcode)
8613                 errx(errcode, "X CONNECTION ERROR: %s", s);
8614 #else
8615         if (errcode)
8616                 errx(errcode, "X CONNECTION ERROR");
8617 #endif
8618 }
8619
8620 int
8621 enable_wm(void)
8622 {
8623         int                     num_screens, i;
8624         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8625             XCB_EVENT_MASK_ENTER_WINDOW;
8626         xcb_screen_t            *sc;
8627         xcb_void_cookie_t       wac;
8628         xcb_generic_error_t     *error;
8629
8630         /* this causes an error if some other window manager is running */
8631         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8632         for (i = 0; i < num_screens; i++) {
8633                 if ((sc = get_screen(i)) == NULL)
8634                         errx(1, "ERROR: can't get screen %d.", i);
8635                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8636                     i, sc->root);
8637                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8638                     XCB_CW_EVENT_MASK, &val);
8639                 if ((error = xcb_request_check(conn, wac))) {
8640                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8641                             error->error_code);
8642                         free(error);
8643                         return 1;
8644                 }
8645
8646                 /* click to focus on empty region */
8647                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8648                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8649                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8650         }
8651
8652         return 0;
8653 }
8654
8655 void
8656 new_region(struct swm_screen *s, int x, int y, int w, int h)
8657 {
8658         struct swm_region       *r, *n;
8659         struct workspace        *ws = NULL;
8660         int                     i;
8661         uint32_t                wa[1];
8662
8663         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8664              s->idx, w, h, x, y);
8665
8666         /* remove any conflicting regions */
8667         n = TAILQ_FIRST(&s->rl);
8668         while (n) {
8669                 r = n;
8670                 n = TAILQ_NEXT(r, entry);
8671                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
8672                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
8673                         if (r->ws->r != NULL)
8674                                 r->ws->old_r = r->ws->r;
8675                         r->ws->r = NULL;
8676                         bar_cleanup(r);
8677                         xcb_destroy_window(conn, r->id);
8678                         TAILQ_REMOVE(&s->rl, r, entry);
8679                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8680                 }
8681         }
8682
8683         /* search old regions for one to reuse */
8684
8685         /* size + location match */
8686         TAILQ_FOREACH(r, &s->orl, entry)
8687                 if (X(r) == x && Y(r) == y &&
8688                     HEIGHT(r) == h && WIDTH(r) == w)
8689                         break;
8690
8691         /* size match */
8692         TAILQ_FOREACH(r, &s->orl, entry)
8693                 if (HEIGHT(r) == h && WIDTH(r) == w)
8694                         break;
8695
8696         if (r != NULL) {
8697                 TAILQ_REMOVE(&s->orl, r, entry);
8698                 /* try to use old region's workspace */
8699                 if (r->ws->r == NULL)
8700                         ws = r->ws;
8701         } else
8702                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8703                         err(1, "new_region: calloc: failed to allocate memory "
8704                             "for screen");
8705
8706         /* if we don't have a workspace already, find one */
8707         if (ws == NULL) {
8708                 for (i = 0; i < workspace_limit; i++)
8709                         if (s->ws[i].r == NULL) {
8710                                 ws = &s->ws[i];
8711                                 break;
8712                         }
8713         }
8714
8715         if (ws == NULL)
8716                 errx(1, "new_region: no free workspaces");
8717
8718         X(r) = x;
8719         Y(r) = y;
8720         WIDTH(r) = w;
8721         HEIGHT(r) = h;
8722         r->s = s;
8723         r->ws = ws;
8724         r->ws_prior = NULL;
8725         ws->r = r;
8726         outputs++;
8727         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8728
8729         /* Invisible region window to detect pointer events on empty regions. */
8730         r->id = xcb_generate_id(conn);
8731         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
8732             XCB_EVENT_MASK_POINTER_MOTION_HINT;
8733
8734         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
8735             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
8736             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
8737
8738         xcb_map_window(conn, r->id);
8739 }
8740
8741 void
8742 scan_xrandr(int i)
8743 {
8744 #ifdef SWM_XRR_HAS_CRTC
8745         int                                             c;
8746         int                                             ncrtc = 0;
8747 #endif /* SWM_XRR_HAS_CRTC */
8748         struct swm_region                               *r;
8749         int                                             num_screens;
8750         xcb_randr_get_screen_resources_current_cookie_t src;
8751         xcb_randr_get_screen_resources_current_reply_t  *srr;
8752         xcb_randr_get_crtc_info_cookie_t                cic;
8753         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8754         xcb_randr_crtc_t                                *crtc;
8755         xcb_screen_t                                    *screen;
8756
8757         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8758
8759         if ((screen = get_screen(i)) == NULL)
8760                 errx(1, "ERROR: can't get screen %d.", i);
8761
8762         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8763         if (i >= num_screens)
8764                 errx(1, "scan_xrandr: invalid screen");
8765
8766         /* remove any old regions */
8767         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8768                 r->ws->old_r = r->ws->r = NULL;
8769                 bar_cleanup(r);
8770                 xcb_destroy_window(conn, r->id);
8771                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8772                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8773
8774                 if (r->s->r_focus == r)
8775                         r->s->r_focus = NULL;
8776         }
8777         outputs = 0;
8778
8779         /* map virtual screens onto physical screens */
8780 #ifdef SWM_XRR_HAS_CRTC
8781         if (xrandr_support) {
8782                 src = xcb_randr_get_screen_resources_current(conn,
8783                     screens[i].root);
8784                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8785                     NULL);
8786                 if (srr == NULL) {
8787                         new_region(&screens[i], 0, 0,
8788                             screen->width_in_pixels,
8789                             screen->height_in_pixels);
8790                         goto out;
8791                 } else
8792                         ncrtc = srr->num_crtcs;
8793
8794                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8795                 for (c = 0; c < ncrtc; c++) {
8796                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8797                             XCB_CURRENT_TIME);
8798                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8799                         if (cir == NULL)
8800                                 continue;
8801                         if (cir->num_outputs == 0) {
8802                                 free(cir);
8803                                 continue;
8804                         }
8805
8806                         if (cir->mode == 0)
8807                                 new_region(&screens[i], 0, 0,
8808                                     screen->width_in_pixels,
8809                                     screen->height_in_pixels);
8810                         else
8811                                 new_region(&screens[i],
8812                                     cir->x, cir->y, cir->width, cir->height);
8813                         free(cir);
8814                 }
8815                 free(srr);
8816         }
8817 #endif /* SWM_XRR_HAS_CRTC */
8818
8819         /* If detection failed, create a single region that spans the screen. */
8820         if (TAILQ_EMPTY(&screens[i].rl))
8821                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8822                     screen->height_in_pixels);
8823
8824 out:
8825         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8826 }
8827
8828 void
8829 screenchange(xcb_randr_screen_change_notify_event_t *e)
8830 {
8831         struct swm_region               *r;
8832         int                             i, num_screens;
8833
8834         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8835
8836         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8837         /* silly event doesn't include the screen index */
8838         for (i = 0; i < num_screens; i++)
8839                 if (screens[i].root == e->root)
8840                         break;
8841         if (i >= num_screens)
8842                 errx(1, "screenchange: screen not found");
8843
8844         /* brute force for now, just re-enumerate the regions */
8845         scan_xrandr(i);
8846
8847 #ifdef SWM_DEBUG
8848         print_win_geom(e->root);
8849 #endif
8850         /* add bars to all regions */
8851         for (i = 0; i < num_screens; i++) {
8852                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8853                         bar_setup(r);
8854
8855                 if (screens[0].r_focus == NULL) {
8856                         /* Focus on first region. */
8857                         r = TAILQ_FIRST(&screens[0].rl);
8858                         if (r)
8859                                 focus_region(r);
8860                 }
8861         }
8862
8863         stack();
8864         bar_draw();
8865         focus_flush();
8866 }
8867
8868 void
8869 grab_windows(void)
8870 {
8871         struct swm_region       *r = NULL;
8872         xcb_window_t            *wins = NULL, trans;
8873         int                     no;
8874         int                     i, j, num_screens;
8875         uint16_t                state, manage, mapped;
8876
8877         xcb_query_tree_cookie_t                 qtc;
8878         xcb_query_tree_reply_t                  *qtr;
8879         xcb_get_window_attributes_cookie_t      gac;
8880         xcb_get_window_attributes_reply_t       *gar;
8881         xcb_get_property_cookie_t               pc;
8882
8883         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
8884         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8885         for (i = 0; i < num_screens; i++) {
8886                 qtc = xcb_query_tree(conn, screens[i].root);
8887                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
8888                 if (!qtr)
8889                         continue;
8890                 wins = xcb_query_tree_children(qtr);
8891                 no = xcb_query_tree_children_length(qtr);
8892                 /* attach windows to a region */
8893                 /* normal windows */
8894                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
8895                 for (j = 0; j < no; j++) {
8896                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
8897                                 if (r->id == wins[j]) {
8898                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
8899                                             "skip %#x; region input window.\n",
8900                                             wins[j]);
8901                                         break;
8902                                 }
8903                         }
8904
8905                         if (r)
8906                                 continue;
8907
8908                         gac = xcb_get_window_attributes(conn, wins[j]);
8909                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
8910                         if (!gar) {
8911                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8912                                     "doesn't exist.\n", wins[j]);
8913                                 continue;
8914                         }
8915
8916                         if (gar->override_redirect) {
8917                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8918                                     "override_redirect set.\n", wins[j]);
8919                                 free(gar);
8920                                 continue;
8921                         }
8922
8923                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8924                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8925                             &trans, NULL)) {
8926                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8927                                     "is transient for %#x.\n", wins[j], trans);
8928                                 free(gar);
8929                                 continue;
8930                         }
8931
8932                         state = getstate(wins[j]);
8933                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8934                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
8935                         if (mapped || manage)
8936                                 manage_window(wins[j], mapped);
8937                         free(gar);
8938                 }
8939                 /* transient windows */
8940                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
8941                 for (j = 0; j < no; j++) {
8942                         gac = xcb_get_window_attributes(conn, wins[j]);
8943                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
8944                         if (!gar) {
8945                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8946                                     "doesn't exist.\n", wins[j]);
8947                                 continue;
8948                         }
8949
8950                         if (gar->override_redirect) {
8951                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8952                                     "override_redirect set.\n", wins[j]);
8953                                 free(gar);
8954                                 continue;
8955                         }
8956
8957                         state = getstate(wins[j]);
8958                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8959                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
8960                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8961                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8962                             &trans, NULL) && manage)
8963                                 manage_window(wins[j], mapped);
8964                         free(gar);
8965                 }
8966                 free(qtr);
8967         }
8968         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8969 }
8970
8971 void
8972 setup_screens(void)
8973 {
8974         int                     i, j, k, num_screens;
8975         struct workspace        *ws;
8976         uint32_t                gcv[1], wa[1];
8977         const xcb_query_extension_reply_t *qep;
8978         xcb_screen_t                            *screen;
8979         xcb_randr_query_version_cookie_t        c;
8980         xcb_randr_query_version_reply_t         *r;
8981
8982         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8983         if ((screens = calloc(num_screens,
8984              sizeof(struct swm_screen))) == NULL)
8985                 err(1, "setup_screens: calloc: failed to allocate memory for "
8986                     "screens");
8987
8988         /* initial Xrandr setup */
8989         xrandr_support = 0;
8990         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8991         if (qep->present) {
8992                 c = xcb_randr_query_version(conn, 1, 1);
8993                 r = xcb_randr_query_version_reply(conn, c, NULL);
8994                 if (r) {
8995                         if (r->major_version >= 1) {
8996                                 xrandr_support = 1;
8997                                 xrandr_eventbase = qep->first_event;
8998                         }
8999                         free(r);
9000                 }
9001         }
9002
9003         wa[0] = cursors[XC_LEFT_PTR].cid;
9004
9005         /* map physical screens */
9006         for (i = 0; i < num_screens; i++) {
9007                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9008                 screens[i].idx = i;
9009                 screens[i].r_focus = NULL;
9010
9011                 TAILQ_INIT(&screens[i].rl);
9012                 TAILQ_INIT(&screens[i].orl);
9013                 if ((screen = get_screen(i)) == NULL)
9014                         errx(1, "ERROR: can't get screen %d.", i);
9015                 screens[i].root = screen->root;
9016
9017                 /* set default colors */
9018                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9019                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9020                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9021                 setscreencolor("rgb:00/40/40", i + 1,
9022                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9023                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9024                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9025
9026                 /* create graphics context on screen */
9027                 screens[i].bar_gc = xcb_generate_id(conn);
9028                 gcv[0] = 0;
9029                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9030                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9031
9032                 /* set default cursor */
9033                 xcb_change_window_attributes(conn, screens[i].root,
9034                     XCB_CW_CURSOR, wa);
9035
9036                 /* init all workspaces */
9037                 /* XXX these should be dynamically allocated too */
9038                 for (j = 0; j < SWM_WS_MAX; j++) {
9039                         ws = &screens[i].ws[j];
9040                         ws->idx = j;
9041                         ws->name = NULL;
9042                         ws->bar_enabled = 1;
9043                         ws->focus = NULL;
9044                         ws->focus_prev = NULL;
9045                         ws->focus_pending = NULL;
9046                         ws->r = NULL;
9047                         ws->old_r = NULL;
9048                         TAILQ_INIT(&ws->winlist);
9049                         TAILQ_INIT(&ws->unmanagedlist);
9050
9051                         for (k = 0; layouts[k].l_stack != NULL; k++)
9052                                 if (layouts[k].l_config != NULL)
9053                                         layouts[k].l_config(ws,
9054                                             SWM_ARG_ID_STACKINIT);
9055                         ws->cur_layout = &layouts[0];
9056                         ws->cur_layout->l_string(ws);
9057                 }
9058
9059                 scan_xrandr(i);
9060
9061                 if (xrandr_support)
9062                         xcb_randr_select_input(conn, screens[i].root,
9063                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9064         }
9065 }
9066
9067 void
9068 setup_globals(void)
9069 {
9070         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9071                 err(1, "setup_globals: strdup: failed to allocate memory.");
9072
9073         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9074                 err(1, "setup_globals: strdup: failed to allocate memory.");
9075
9076         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9077                 errx(1, "unable to allocate key symbols");
9078
9079         a_state = get_atom_from_string("WM_STATE");
9080         a_prot = get_atom_from_string("WM_PROTOCOLS");
9081         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9082         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9083         a_wmname = get_atom_from_string("WM_NAME");
9084         a_netwmname = get_atom_from_string("_NET_WM_NAME");
9085         a_utf8_string = get_atom_from_string("UTF8_STRING");
9086         a_string = get_atom_from_string("STRING");
9087         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9088         a_swm_ws = get_atom_from_string("_SWM_WS");
9089 }
9090
9091 void
9092 workaround(void)
9093 {
9094         int                     i, num_screens;
9095         xcb_atom_t              netwmcheck;
9096         xcb_window_t            root, win;
9097
9098         /* work around sun jdk bugs, code from wmname */
9099         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9100
9101         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9102         for (i = 0; i < num_screens; i++) {
9103                 root = screens[i].root;
9104
9105                 win = xcb_generate_id(conn);
9106                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9107                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9108                     XCB_COPY_FROM_PARENT, 0, NULL);
9109
9110                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9111                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9112                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9113                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9114                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9115                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
9116         }
9117 }
9118
9119 void
9120 shutdown_cleanup(void)
9121 {
9122         int i, num_screens;
9123
9124         /* disable alarm because the following code may not be interrupted */
9125         alarm(0);
9126         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9127                 err(1, "can't disable alarm");
9128
9129         bar_extra_stop();
9130         unmap_all();
9131
9132         cursors_cleanup();
9133
9134         teardown_ewmh();
9135
9136         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9137         for (i = 0; i < num_screens; ++i) {
9138                 if (screens[i].bar_gc != 0)
9139                         xcb_free_gc(conn, screens[i].bar_gc);
9140                 if (!bar_font_legacy)
9141                         XftColorFree(display, DefaultVisual(display, i),
9142                             DefaultColormap(display, i), &bar_font_color);
9143         }
9144
9145         if (bar_font_legacy)
9146                 XFreeFontSet(display, bar_fs);
9147         else {
9148                 XftFontClose(display, bar_font);
9149         }
9150
9151         xcb_key_symbols_free(syms);
9152         xcb_flush(conn);
9153         xcb_disconnect(conn);
9154 }
9155
9156 void
9157 event_error(xcb_generic_error_t *e)
9158 {
9159         (void)e;
9160
9161         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9162             "resource_id: %u, minor_code: %u\n",
9163             xcb_event_get_error_label(e->error_code), e->error_code,
9164             xcb_event_get_request_label(e->major_code), e->major_code,
9165             e->sequence, e->resource_id, e->minor_code);
9166 }
9167
9168 void
9169 event_handle(xcb_generic_event_t *evt)
9170 {
9171         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9172
9173         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9174             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9175             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9176
9177         switch (type) {
9178 #define EVENT(type, callback) case type: callback((void *)evt); return
9179         EVENT(0, event_error);
9180         EVENT(XCB_BUTTON_PRESS, buttonpress);
9181         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9182         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9183         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9184         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9185         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9186         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9187         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9188         /*EVENT(XCB_CREATE_NOTIFY, );*/
9189         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9190         EVENT(XCB_ENTER_NOTIFY, enternotify);
9191         EVENT(XCB_EXPOSE, expose);
9192 #ifdef SWM_DEBUG
9193         EVENT(XCB_FOCUS_IN, focusin);
9194         EVENT(XCB_FOCUS_OUT, focusout);
9195 #endif
9196         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9197         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9198         EVENT(XCB_KEY_PRESS, keypress);
9199         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9200         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9201 #ifdef SWM_DEBUG
9202         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9203 #endif
9204         EVENT(XCB_MAP_NOTIFY, mapnotify);
9205         EVENT(XCB_MAP_REQUEST, maprequest);
9206         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9207         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9208         /*EVENT(XCB_NO_EXPOSURE, );*/
9209         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9210         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9211         /*EVENT(XCB_RESIZE_REQUEST, );*/
9212         /*EVENT(XCB_SELECTION_CLEAR, );*/
9213         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9214         /*EVENT(XCB_SELECTION_REQUEST, );*/
9215         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9216         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9217 #undef EVENT
9218         }
9219         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9220                 screenchange((void *)evt);
9221 }
9222
9223 int
9224 main(int argc, char *argv[])
9225 {
9226         struct swm_region       *r;
9227         char                    conf[PATH_MAX], *cfile = NULL;
9228         struct stat             sb;
9229         int                     xfd, i, num_screens, startup = 1;
9230         struct sigaction        sact;
9231         xcb_generic_event_t     *evt;
9232         struct timeval          tv;
9233         fd_set                  rd;
9234         int                     rd_max;
9235         int                     stdin_ready = 0;
9236         int                     num_readable;
9237
9238         /* suppress unused warning since var is needed */
9239         (void)argc;
9240
9241         time_started = time(NULL);
9242
9243         start_argv = argv;
9244         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9245         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
9246                 warnx("no locale support");
9247
9248         /* handle some signals */
9249         bzero(&sact, sizeof(sact));
9250         sigemptyset(&sact.sa_mask);
9251         sact.sa_flags = 0;
9252         sact.sa_handler = sighdlr;
9253         sigaction(SIGINT, &sact, NULL);
9254         sigaction(SIGQUIT, &sact, NULL);
9255         sigaction(SIGTERM, &sact, NULL);
9256         sigaction(SIGHUP, &sact, NULL);
9257
9258         sact.sa_handler = sighdlr;
9259         sact.sa_flags = SA_NOCLDSTOP;
9260         sigaction(SIGCHLD, &sact, NULL);
9261
9262         if (!(display = XOpenDisplay(0)))
9263                 errx(1, "can not open display");
9264
9265         conn = XGetXCBConnection(display);
9266         if (xcb_connection_has_error(conn))
9267                 errx(1, "can not get XCB connection");
9268
9269         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9270
9271         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9272         xfd = xcb_get_file_descriptor(conn);
9273
9274         /* look for local and global conf file */
9275         pwd = getpwuid(getuid());
9276         if (pwd == NULL)
9277                 errx(1, "invalid user: %d", getuid());
9278
9279         xcb_grab_server(conn);
9280         xcb_aux_sync(conn);
9281
9282         /* flush all events */
9283         while ((evt = xcb_poll_for_event(conn))) {
9284                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9285                         event_handle(evt);
9286                 free(evt);
9287         }
9288
9289         if (enable_wm() != 0)
9290                 errx(1, "another window manager is currently running");
9291
9292         /* Load Xcursors and/or cursorfont glyph cursors. */
9293         cursors_load();
9294
9295         xcb_aux_sync(conn);
9296
9297         setup_globals();
9298         setup_screens();
9299         setup_keys();
9300         setup_quirks();
9301         setup_spawn();
9302
9303         /* load config */
9304         for (i = 0; ; i++) {
9305                 conf[0] = '\0';
9306                 switch (i) {
9307                 case 0:
9308                         /* ~ */
9309                         snprintf(conf, sizeof conf, "%s/.%s",
9310                             pwd->pw_dir, SWM_CONF_FILE);
9311                         break;
9312                 case 1:
9313                         /* global */
9314                         snprintf(conf, sizeof conf, "/etc/%s",
9315                             SWM_CONF_FILE);
9316                         break;
9317                 case 2:
9318                         /* ~ compat */
9319                         snprintf(conf, sizeof conf, "%s/.%s",
9320                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9321                         break;
9322                 case 3:
9323                         /* global compat */
9324                         snprintf(conf, sizeof conf, "/etc/%s",
9325                             SWM_CONF_FILE_OLD);
9326                         break;
9327                 default:
9328                         goto noconfig;
9329                 }
9330
9331                 if (strlen(conf) && stat(conf, &sb) != -1)
9332                         if (S_ISREG(sb.st_mode)) {
9333                                 cfile = conf;
9334                                 break;
9335                         }
9336         }
9337 noconfig:
9338
9339         /* load conf (if any) */
9340         if (cfile)
9341                 conf_load(cfile, SWM_CONF_DEFAULT);
9342
9343         setup_ewmh();
9344         /* set some values to work around bad programs */
9345         workaround();
9346         /* grab existing windows (before we build the bars) */
9347         grab_windows();
9348
9349         if (getenv("SWM_STARTED") == NULL)
9350                 setenv("SWM_STARTED", "YES", 1);
9351
9352         /* setup all bars */
9353         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9354         for (i = 0; i < num_screens; i++)
9355                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9356                         bar_setup(r);
9357
9358         grabkeys();
9359         stack();
9360         bar_draw();
9361
9362         xcb_ungrab_server(conn);
9363         xcb_flush(conn);
9364
9365         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9366
9367         while (running) {
9368                 while ((evt = xcb_poll_for_event(conn))) {
9369                         if (!running)
9370                                 goto done;
9371                         event_handle(evt);
9372                         free(evt);
9373                 }
9374
9375                 /* If just (re)started, set default focus if needed. */
9376                 if (startup) {
9377                         startup = 0;
9378
9379                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9380                                 r = TAILQ_FIRST(&screens[0].rl);
9381                                 if (r) {
9382                                         focus_region(r);
9383                                         focus_flush();
9384                                 }
9385                                 continue;
9386                         }
9387                 }
9388
9389                 FD_ZERO(&rd);
9390
9391                 if (bar_extra)
9392                         FD_SET(STDIN_FILENO, &rd);
9393
9394                 FD_SET(xfd, &rd);
9395                 tv.tv_sec = 1;
9396                 tv.tv_usec = 0;
9397                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9398                 if (num_readable == -1 && errno != EINTR) {
9399                         DNPRINTF(SWM_D_MISC, "select failed");
9400                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9401                         stdin_ready = 1;
9402                 }
9403
9404                 if (restart_wm)
9405                         restart(NULL, NULL);
9406
9407                 if (search_resp)
9408                         search_do_resp();
9409
9410                 if (!running)
9411                         goto done;
9412
9413                 if (stdin_ready) {
9414                         stdin_ready = 0;
9415                         if (bar_extra_update()) {
9416                                 bar_draw();
9417                                 xcb_flush(conn);
9418                         }
9419                 }
9420         }
9421 done:
9422         shutdown_cleanup();
9423
9424         return (0);
9425 }